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

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

Ask Question

5=0

Posted by Tejasv G 5 years, 8 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Tanx differnciation

Posted by Himanshu Verma 6 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Mansi Gupta 6 years, 10 months ago

Sec^2x

0Thank You

Bhuvnesh Upadhyay 6 years, 11 months ago

Sec^2x

0Thank You

ANSWER

Prove that (x+2)/((x-1)*(x-3)) is continous.

Posted by Devil ? 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

How to get cbse last year paper answers .please tell me

Posted by Lucky K 6 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Devil ? 6 years, 11 months ago

From CBSE website.

4Thank You

ANSWER

Integration of x sin¯¹x

Posted by Himanshu Rathor 6 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Devil ? 6 years, 11 months ago

By Parts. (Use ILATE).

1Thank You

Vipin Kumar 6 years, 11 months ago

Do it by the ILATE method you will get your answer?

1Thank You

ANSWER

Integrate 2cosx/(1-sinx)(1+sinx×sinx)

Posted by Prayanshu Chaudhary 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Let A=[0 -tan alpha/2 Tan alpha/2 0] prove that I+A=(I-A)[cos alpha -sin alpha Sin alpha cos alpha]

Posted by Divyanshi Chouksey 6 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Nishchay Sethi 6 years, 11 months ago

Put tanalpha/2 =t Then write sinalpha/2=2t/1+tsquare And cosalpha/2=1-tsquare/1+tsquare Then solve

1Thank You

ANSWER

integrate cos x(x+a)/sin(x+b)

Posted by Chintan Arora 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

An unbiased coin is tossed 6times.Find, using binomial distribution, the probability of getting at least 5 heads.

Posted by Manohar Dadhore 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

2or2=?

Posted by Amar Soni 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integrate cosecx/1+secx

Posted by Manish Singh 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

find equation of plane passing through the points a(1,2,1) and perpendicular to the line joining the points p(1,4,2) and q(2,3,5).also find the distance of this planefrom the line x+3/2=y-5/-1=z-7/-1.

Posted by Raghav Maheshwari 6 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Satyam Singh 6 years, 11 months ago

Eqn of plane is x-y+3z-2=0,. Distance is √11

1Thank You

ANSWER

A die is thrown thrice.Find the probability of getting an odd number at least once.

Posted by Vikash Gupta 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Prorit and loss formula

Posted by Sudhir Kumar 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Differentiate sin x with respect to cos x

Posted by Soundharya :) 6 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Param Garg 6 years, 11 months ago

y = u+v Diff....w.r.to.x both side dy/dx=du/dx+dv/dx Let u = sinx v = cosx u = sinx Diff........w.r.t. x both side du/dx = cos x v= cosx Diff...........w.r.to x boh side dv/dx= -sin x dy/dx = du/dx/dv/dx dy/dx = cosx/-sinx - cot x

1Thank You

ANSWER

Integrate (e^x+e^-x)^2

Posted by Rithikha Swaminathan 6 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Nehal Mehta 6 years, 11 months ago

2(e^2x - e^-2x + x)**

0Thank You

Nehal Mehta 6 years, 11 months ago

2(e^2x - e^-2x)

0Thank You

ANSWER

Show that f= cos x^2 is a continuous function

Posted by Ayushi Gupta 6 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Anjana Sherawat 6 years, 11 months ago

It is a cosine function hence it is continuous now prove it for x=0

1Thank You

ANSWER

intigrate the term e^x/x

Posted by Gopal Ji Mishra 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

A matrix X has a+b rows and a+2 columns while the Y matrix has b+1 rows and a+3 columns. Both matrices XY and YX exist. Find a and b. Can you say XY and YX are of the same type? Are they equal

Posted by Ritik Fulmali 6 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

RD sharma. Kisi ne complete ki hai kiya..

Posted by Sãñjü Dïdêl 6 years, 11 months ago

CBSE > Class 12 > Mathematics

4 answers

Septima Ravenclaw 6 years, 11 months ago

Yes it was easy

1Thank You

Gopal Ji Mishra 6 years, 11 months ago

iam the student of B.Sc first year. And i have solved complete rd sharma book when i was in class 12th.

1Thank You

Simran Baidwan 6 years, 11 months ago

Actually it is not possible for a normal student to complete it so as exams are near you should firstly complete ncert and then go for sample papers and u will be done

4Thank You

Anujsharma Sharma 6 years, 11 months ago

1Thank You

ANSWER

Math main supplementry exercise important hai kya....??

Posted by Sãñjü Dïdêl 6 years, 11 months ago

CBSE > Class 12 > Mathematics

3 answers

Kalas Sahu 6 years, 11 months ago

Very very important

2Thank You

Gopal Ji Mishra 6 years, 11 months ago

i am the student of B.Sc and i am directing you that supplimentry exersices are very very importent for exam

1Thank You

Anujsharma Sharma 6 years, 11 months ago

Yes

1Thank You

ANSWER

Find the value of 2 tan^-1( 1/5) + sec^-1(5√2 /7) +2 tan ^-1 (1/8)

Posted by Simran Kaur 6 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Gopal Ji Mishra 6 years, 11 months ago

change in the form of sin and cos

0Thank You

ANSWER

Skew symmetry

Posted by Parth Mishra 6 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

H!Mαη$Hμ Ұαδαυ ✔️ 6 years, 11 months ago

Means A'=(-1)A

4Thank You

ANSWER

Sin–1x + cos–x

Posted by Shivam Singh 6 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Parth Mishra 6 years, 11 months ago

Sin-¹x ko theta maan lo or sin-¹ ko doosri side bhej do x = sin theta go jayega thn sin ko cos 90-theta likh do or cos ko opposite side bhej k theta ki value rakh so

0Thank You

Parth Mishra 6 years, 11 months ago

90°

0Thank You

ANSWER

Integrate x^3+4x^2-3x-2/x+2

Posted by Tripti ? 6 years, 11 months ago

CBSE > Class 12 > Mathematics