CBSE > Class 09 > Mathematics | CBSE Board | Homework Help

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

0Thank You

ANSWER

If x square+2kn+4=0 has root x=0 find the value of k

Posted by Anand Kumar Patel 11 months, 1 week ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

2+2 kitne hote hai

Posted by Ajay Yadav 11 months, 1 week ago

CBSE > Class 09 > Mathematics

5 answers

Piru Singh 11 months, 1 week ago

Two circles of ready 5 cm and 3 cm in the sector 2 and the distance between centres is 4 cm find the length of the common car

2Thank You

Shourya Sharma 11 months, 1 week ago

1Thank You

Parnit Kaur Sidhu 11 months, 1 week ago

2Thank You

Dollymochi'S Girl 11 months, 1 week ago

What a question 😂

0Thank You

Dona Mathew 11 months, 1 week ago

0Thank You

ANSWER

If a=3+√5/2, then find the value of a^2+1/a^2

Posted by Garvit Chauhan 11 months, 1 week ago

CBSE > Class 09 > Mathematics

3 answers

Shreedhar Bhise Bhise 11 months, 1 week ago

Bhag idhrse

0Thank You

Krushna Solanke 11 months, 1 week ago

a= 2 3+ 5∴ a 1= 3+ 52On rationaliging the denominator , we get , a 1= (3+ 5)(3− 5) 2(3− 5)= 9−5 6−2 5= 4 6−2 5= 2 3− 5Also, (a+ a 1) 2 =a 2 + a 2 1+2 Substituting the values of a  = a 1, We get , `( 2 3+ 5+ 2 3− 5) 2 =(a 2 + a 2 1+2) ∴a 2 + a 2 1+2=( 2 3+ 5+3− 5) 2 =(3) 2 =9 ∴a 2 + a 2 1=9−2=7.

0Thank You

Dollymochi'S Girl 11 months, 1 week ago

a= 2 3+ 5 ∴ a 1 = 3+ 5 2 On rationaliging the denominator , we get , a 1 = (3+ 5 )(3− 5 ) 2(3− 5 ) = 9−5 6−2 5 = 4 6−2 5 = 2 3− 5 Also, (a+ a 1 ) 2 =a 2 + a 2 1 +2 Substituting the values of a  = a 1 , We get , `( 2 3+ 5 + 2 3− 5 ) 2 =(a 2 + a 2 1 +2) ∴a 2 + a 2 1 +2=( 2 3+ 5 +3− 5 ) 2 =(3) 2 =9 ∴a 2 + a 2 1 =9−2=7.

0Thank You

ANSWER

In a mathematics test given to 15 students, the following marks ( out of 100) are recorded {[41,39,48,52,46,62,54,40,96,52,98,40,42,52,60 ]} find mean , median, mode of this data

Posted by Rj K 11 months, 1 week ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the value of 1/3-√8 - 1/√8-√7 + 1/√7-√6 - 1/√6-√5 + 1/√5-2

Posted by Ananya Garg 11 months, 2 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The sides of a triangular plot are in a ratio of 6 : 7 : 8 and its perimeter is 420m. Find its area.

Posted by Kunjal Parik 11 months, 1 week ago

CBSE > Class 09 > Mathematics

5 answers

Kunjal Parik 11 months, 2 weeks ago

The answer 20 is not the area

1Thank You

Ajeet Yadav 11 months, 2 weeks ago

Thanks 🙏

2Thank You

Lakshyasingh Singh 11 months, 1 week ago

Half yearly exam paper òuestion and answers

1Thank You

Khushi Khushi 11 months, 1 week ago

1Thank You

Ayush Raj 11 months, 1 week ago

2Thank You

ANSWER

In the given figure ab||cd and o is the midpoint of ad show that ∆aob is congruent ∆doc , o is the mid point of bc

Posted by Harshit Khanna 11 months, 2 weeks ago

CBSE > Class 09 > Mathematics

2 answers

Ayush Raj 11 months, 2 weeks ago

Congruent sas

0Thank You

Taniya Yadav 11 months, 2 weeks ago

4185 volume sphre

1Thank You

ANSWER

PQRS is a square and ABC=90 AP=BQ=CR, prove BAC=45

Posted by Anuradha Singh 11 months, 2 weeks ago

CBSE > Class 09 > Mathematics

3 answers

Radhika ... 11 months, 2 weeks ago

0Thank You

Krishna Yadav 11 months, 2 weeks ago

2+2

0Thank You

Anmol Kumar 11 months, 2 weeks ago

2Thank You

ANSWER

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Ankit Kumar 11 months, 2 weeks ago

CBSE > Class 09 > Mathematics

5 answers

Nagappa Varthur 11 months, 2 weeks ago

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

0Thank You

Azaj Khan 11 months, 3 weeks ago

What is the smallest co prime number

0Thank You

Azaj Khan 11 months, 2 weeks ago

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

0Thank You

Himanshu Saroj 11 months, 2 weeks ago

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

1Thank You

Drishti Tomar 📚📒✍️ 11 months, 2 weeks ago

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

3Thank You

ANSWER

square root of 3?

Posted by Shreya Sengar 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

2 answers

Ambika Sharma 11 months, 3 weeks ago

1.732

1Thank You

Garvit Varshney 11 months, 3 weeks ago

1.73205080576...

2Thank You

ANSWER

4+4=

Posted by Rana Ji 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

5 answers

Account Deleted 11 months, 2 weeks ago

eight

0Thank You

Ambika Sharma 11 months, 3 weeks ago

0Thank You

Garvit Varshney 11 months, 3 weeks ago

0Thank You

Shivam Kumar 11 months, 3 weeks ago

0Thank You

Dhaval Agrawal 11 months, 3 weeks ago

1Thank You

ANSWER

6 can subtracted 5 time from 28

Posted by Vivek Raj 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

3 answers

Naman Bansal 10 months ago

0Thank You

Ambika Sharma 11 months, 3 weeks ago

1Thank You

Pawar Mrunal 11 months, 3 weeks ago

6*5=30 hence 28-30= -2

1Thank You

ANSWER

Ajay lives in Delhi. The city of Ajay's father in laws residence is at Jaipur is 600 km from Delhi Ajay used to navel He used to buy cheap items from Delhi and sale at Jaipur and also buying cheap items from Jaipur and sale at Delhi Once From Delhi to Jaipur in forward journey he covered 2x km by train and the rest y km by taxi this 600 km partly by train and partly by car But, while returning he did not get a reservation from Jaipur in the train. So first 2y km he had to travel by tax and the rest x km by Train From Delhi to Jaipur he took 8 hrs but in returning it took 10 hrs. 2x km y km JAIPUR Delhi x km Zy km 600 km 1. Write the above information in terms of equation. 2. Find the value of x and y? 3. Find the speed of Taxi? 4. Find the speed of Train?

Posted by Akshatha Jv 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

(3125/243)-4/5

Posted by Bhupendar Gidwani 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Two circles of radii 5 cm and 3 cm intersect at two points and the distance between their centres is 4 cm. Find the length of the common chord.

Posted by Alankrita Arya 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Which of the following of the origin is_________

Posted by Rithish Kumaran 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Arshdeep Kaur 9 months, 1 week ago

Where abscissa and ordinate intersect with each other is known as origin

0Thank You

ANSWER

Sankhya rekh means

Posted by Drashti Joshi 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Garvit Varshney 11 months, 3 weeks ago

Google krke dekh lo

0Thank You

ANSWER

Ex 6.2 6 th sum

Posted by Harini Harini 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

0.83458456764 is ____________.

Posted by Sridhar Rathour 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

3 answers

Vishesha Sinha 11 months, 1 week ago

Irrational number

1Thank You

Kunjal Parik 11 months, 2 weeks ago

Irrational number

1Thank You

Pawar Mrunal 11 months, 3 weeks ago

Irrational number

1Thank You

ANSWER

Types and properties of quadrilateral

Posted by Yashi Kumar 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

60006×37169

Posted by Rithish Kumaran 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Garvit Varshney 11 months, 3 weeks ago

Calculator mein calculate krle bhai

1Thank You

ANSWER

Summary for lesdon tissue

Posted by Kanishgha P 11 months, 3 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Kalaga Thaman 11 months, 3 weeks ago

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

1Thank You

ANSWER

The circumference of the base of 10m high conical tent is 44 m calculate the length of Canvas used in making the tent if width of Canvas is 2m. (use π=22/7)

Posted by Mrunal Pawar 11 months, 4 weeks ago

CBSE > Class 09 > Mathematics