CBSE > Class 12 > Mathematics | CBSE Board | Homework Help | myCBSEguide

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

Prove that the curves x = square of y and xy = k cut at right angle if 8 multiply with square of k = 1

Posted by Shalvi Vern 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

log10(x+1)+log10 5

Posted by Deepak Sidar 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Find two numbers whose sum is 24 and whose product is as large as possible

Posted by Aparna Nair 8 years ago

CBSE > Class 12 > Mathematics

4 answers

Sunaina Bahiwal 8 years ago

I think u r asking question from AOD u shld make a equation F(x) = x (24-x) Then do derivative Then do f'(x) = 0 N find value of x N then put it in double derivative of fx to show it is maximum

Lakshay Verma 8 years ago

Yes aparna I m agree bcoz I don't know that question related to any chapter

Aparna Nair 8 years ago

Thanks kazuya..... But its the way we have studied in 7th or 8th....its a board exam qn and has to be done in a 12 standrd..i don't even know from which chapter the qn is...

Jin Kazama 8 years ago

There are many ,a+b=24,put value of a and get value of b , and you got two no. , now whose product is large .

ANSWER

I am facing difficulty in maths and even it is tuogh to pass in this so please give me tips to score good in mathematics

Posted by Lakhan Singh Sisodiya 8 years ago

CBSE > Class 12 > Mathematics

2 answers

Lakshay Verma 8 years ago

Believe in god and self

Vj Dhakad 8 years ago

jo tumhe ata he vo acche se kro

ANSWER

Let*be the binary operation on N Defined by a *b=HCF of a and b. Is* commutative? Is * associative.? Does there exist identity for this binary operation on N

Posted by Aparna Nair 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Let * be the binary operation on N Defined by a *b= HCF of a and b.

Posted by Aparna Nair 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

The sum of surface area of a sphere And a cuboid with sides x/3 ,x and 2x is constant. Show that the sum of their volumes is minimum if X is equal to three times radius of sphere

Posted by Dhruv Seth 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Is it important to solve all chapters

Posted by Shridhar Gopal 8 years ago

CBSE > Class 12 > Mathematics

1 answers

Ujjawal Sharma 8 years ago

Yeah it is

ANSWER

2x+3y_z=0

Posted by Shivam Tiwari 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

integration of x^2/(x^4+x^2+1)dx

Posted by Ritika Neema 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

X sin X by integrate function

Posted by Subha Mishra 8 years ago

CBSE > Class 12 > Mathematics

2 answers

Shivanshu Yadav 8 years ago

I late method

Lakshay Verma 8 years ago

-x cos x + sin x

ANSWER

I am not think what to do because maths is really hard for me then hows make it easy

Posted by Jaya Shukla 8 years ago

CBSE > Class 12 > Mathematics

2 answers

Lakshay Verma 8 years ago

Mathematics is not simple but not too hard ,work hard and party harden

Chinmay Gupta 8 years ago

Aah.. its simple just solve it ;)

ANSWER

If school is not willing to give my admit card as i performed bad in physics preboad , what to do?

Posted by Nitin Sood 8 years ago

CBSE > Class 12 > Mathematics

4 answers

Chinmay Gupta 8 years ago

Dont be afraid chacha vidhayak h hamare?

Md Kashif 8 years ago

Case kr de ...

Manjeet Birhman 8 years ago

Yes deepak is right Otherwise you can fill complain against it

Deepak Garg 8 years ago

Do nothing they will give admit card easily. They are just making you afraid. May be they will give admit card before 1 or 2 day before exams. Don't worry just chill.

ANSWER

Integrate e x as limit of sum limit is 2 to 3

Posted by Deepak Jha 8 years ago

CBSE > Class 12 > Mathematics

1 answers

Varun Prajapati 8 years ago

0

ANSWER

7.10 9th question ans

Posted by Kajal Bhardwaj 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Solve it ÷. Integration of root of Sin(a-x)/Sin(a-x)

Posted by Yogesh Kadyan 8 years ago

CBSE > Class 12 > Mathematics

2 answers

Yogesh Kadyan 8 years ago

Its tough

Deepak Jha 8 years ago

X

ANSWER

Solve it ÷. Integration of dx/sinx+secx

Posted by Yogesh Kadyan 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Suppose a torpedo has a probability of 1/3 of sinking a ship,1/3 of damaging it,1/3 of missing it altogether,and also two damaging shots will sink the ship. What is the probability that 4 torpedoes will sink the ship?

Posted by Animesh Pradhan 8 years ago

CBSE > Class 12 > Mathematics

1 answers

Jai Varshnei 5 years ago

g

ANSWER

Is zero included in Z+?

Posted by Bhautik Agrawal 8 years ago

CBSE > Class 12 > Mathematics

3 answers

Vishal Malviya 8 years ago

No

Divyanshi Maheshwari 8 years ago

No

Sourin Roy 8 years ago

yes

ANSWER

Find the inverse by using elementary row transformations

Posted by Jashandeep Kaur 8 years ago

CBSE > Class 12 > Mathematics

1 answers

Sunaina Bahiwal 8 years ago

Kisi ka nikalna bhi hoga inverse

ANSWER

Find the equation of the line which intersect the lines x+2/1 = y-3/2 = z+1/4 and x+1/2 = y-2/3 = z-3/4 and passes through the point (1,1,1)

Posted by Hitesh Kumar 8 years ago

CBSE > Class 12 > Mathematics

1 answers

Chhavi Rathi 8 years ago

Take first eq = k Second eq = k' Now take the eq of line as x - 1 / a =y - 1 / b =z - 1/c We know that if two lines are intersecting then there SD = 0 now put first and second eq seperately with the third one and calculate a / b and b / c ..now equate them you will get the answer

ANSWER

A letter is known to have come from TATANAGAR or CALCUTTA. On the envelope just two letters TA are visible. What is the probability that letter has come from 1) TATANAGAR 2)CALCUTTA.

Posted by Suja S 8 years ago

CBSE > Class 12 > Mathematics

2 answers

Deepak Chander Joshi 8 years ago

Use baye's theorm and answer for 1 is 7/11 and for 2 is 4/11

Harsh Anand 8 years ago

2/3 and 1/3

ANSWER

integration x2/(xsinx+cosx)2

Posted by Piyush Rathaur 8 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

1/x + √ a² - x integration within the limit a to 0 .. (The whole is in denominator)

Posted by Chhavi Rathi 8 years ago

CBSE > Class 12 > Mathematics

4 answers

Chhavi Rathi 8 years ago

No it's not a formula can you plz tell me its answer

Deepak Chander Joshi 8 years ago

Put x =acos@ and then solve it

Shivanshu Yadav 8 years ago

Yeah to formula h n

Chhavi Rathi 8 years ago

Sry its √ a² - x²

ANSWER

Diff of sinx

Posted by Muskan Singh 8 years ago

CBSE > Class 12 > Mathematics

2 answers

Chhavi Rathi 8 years ago

Cosx

Samiur Rahman 8 years ago

cosx

ANSWER

dx/sinx+sin2x integration

Posted by Vj Dhakad 8 years ago

CBSE > Class 12 > Mathematics

3 answers

Deepak Chander Joshi 8 years ago

Write sin2x=2sinxcosx and then take sinx common from denominator after that multiply and divide by sinx and then put cosx =t

Kanak Tiwari 8 years ago

Phir aage kya hoga

Sirshak Samantaray 8 years ago

U can write numerator1 as sin sq x + cos sq x and the denominator sin 2x as 2sin thita cos thita and solve it

ANSWER

Show Sin10° Cos80° - Cos10°Sin80° = 1

Posted by Smaira Dk 8 years ago

CBSE > Class 12 > Mathematics

1 answers

Vishal Kumar 8 years ago

Sin(10+80)= sin(90)=π\2=1

ANSWER

integrated sin'

Posted by Harsh Jindal 8 years ago

CBSE > Class 12 > Mathematics

1 answers

Vishal Kumar 8 years ago

-cosX

ANSWER

Integration of (√cot x + √tan x)

Posted by Aman Singh 8 years ago

CBSE > Class 12 > Mathematics

1 answers

Dhanuj Raj 8 years ago

change cot x =cos x/ sin x and tan x= sin x/cos x take L.C.M and multiply and devide root 2 and take +1-1 it will be root 2(cos x+sin x)/root(1-1+ 2sinx.cosx) and change +1=cosx^2 +sinx^2

ANSWER

Local maxima and minima m kya krna hota h??

Posted by Tanya Goyal 8 years ago

CBSE > Class 12 > Mathematics

1 answers

Ashwani Kumar Maurya 8 years ago

F'(x)=0 kijiye then value nikaliye x ki ..phir F"(x) kijiye pta kriye ki maximum hai ya minimum...

ANSWER

Page 357 of 481

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App