CBSE > Class 11 > Mathematics | CBSE Board | Homework Help

You can open and solve it but there is a trick n(n-1)(n-2)(n-3)(n-4) = 120 Now write 120 in multiples that are consecutive which are 1*2*3*4*5 so on comparing n=5

1Thank You

Harshit Malik ... 1 year, 7 months ago

Kon se Topic ka question h yeh 🧐

1Thank You

ANSWER

Find the mean derivation about the mean for data . 38,70,48,40,42,55,63,46,54,44

Posted by Tamil Arasan 1 year, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Abhishek Sonkar 1 year, 7 months ago

0Thank You

ANSWER

How many 6 digits numbers can be formed from the digits 0,1,3,5,7,&9 which are divisible by 10 and no digit is repeated

Posted by Ankit Dangi 1 year, 7 months ago

CBSE > Class 11 > Mathematics

2 answers

Abhishek Sonkar 1 year, 7 months ago

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

Abhishek Sonkar 1 year, 7 months ago

1,5

0Thank You

ANSWER

Find the equation of line which passes through the point ( 2, 3 ) and making an angle of 45° degree with the line 3 X + Y - 6 =0

Posted by Hina Tanwar 1 year, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Activity: to plot the graphs of sinx , sin2x , 2sinx and sinx/2 using same coordinate axes

Posted by Chitransh Sahu 1 year, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the locus of mid point of the circle x²+ y² = a² which subtends a right at the point (c,0) .

Posted by Ojasav Goel 1 year, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the equation of circle passing through point (1,1) and it's centre lie on the intersection of the line . x+y=5, x-y=1

Posted by Komal Preet 1 year, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Yash Kumar 1 year, 7 months 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

ANSWER

If (x/3+1, y-2/3) =(5/3, 1/3) find the value of x and y

Posted by Anirudh D Kashipathi 1 year, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Harshit Malik ... 1 year, 7 months ago

X/3+1=5/3 X/4=5/3 Cross multiplication 3x=20 X=20/3 ... And, Y-2/3=1/3 Cross multiplication 3y-6=3 3y=3+6 3y=9 Y=9/3 Y=3....

0Thank You

ANSWER

Find a b n n is in the special of a + b the power n if the first term in the is the first the first three terms of expansion are 729 7290 and 30375 respectively

Posted by Pari Kumari 1 year, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Fundamental rules of counting

Posted by Ashraf Mazhar 1 year, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Prove that sinx - 3x ÷ Sin²x-cos²x = 2 sinx

Posted by Yogesh Yogi 1 year, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Nikhil 11C Commerce 1 year, 7 months ago

https://www.teachoo.com/2192/584/Ex-3.3--20---Prove-sin-x---sin-3x---sin2-x---cos2-x--2-sin-x/category/Ex-3.3/

0Thank You

ANSWER

Express the recurring decimal 0.125125125 as a rational number

Posted by Jyoti Kumari 1 year, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Solve the following system of inequalities graphically: x>_3,y>_2

Posted by Mania Rai 1 year, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

A^ prime cap (C - B),draw venn diagram

Posted by Prasana Jayaselva 1 year, 8 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

The seventh term of a G.P. is 8 times the fourth term and 5th term is 48.Find the G.P.

Posted by Arpit Varma 1 year, 8 months ago

CBSE > Class 11 > Mathematics

1 answers

Tanvi Garg 1 year, 8 months ago

a7=8(a4)....…(1) a5=48.....(2) From eq (1). ar^6=8(ar^3) ar^6/ar^3=8 r^3=8 r=2 From eq (2) ar4=a(2)^4 a(16)=48 a=48/16 a=3 Therefore a=3,,r=2 then G.P is 3,6,12,24,48....

0Thank You

ANSWER

Find the domain and range of f(x)= √[x]-x where [x] is greatest integer function

Posted by Abhipsa Behera 1 year, 8 months ago

CBSE > Class 11 > Mathematics