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

Agar aapne soach lya ki compatment paper mujhe clear then it is not hard haa aapko mehnat isma jaada karne hoge as comparison to first one all the best

0Thank You

Rohit Gupta 6 years, 3 months ago

Not easy and not a very tough I think

0Thank You

ANSWER

Meena went to a bank to withdraw rupes 2000 .she asked the cashier to give her rupes 50and rupees 100 notes only meena got 25 notes in all .find how many notes of rupees 50and rupees 100she received

Posted by Rohan Yadav 6 years, 3 months ago

CBSE > Class 12 > Mathematics

1 answers

Swati Singh 6 years, 3 months ago

It's a question of linear equations in two variables...... Let no. of 100rs. note =x Let no. of 50rs. note =y 100x + 50y =2000.............(1) [Meena gets a total of 25 notes] => x+y=25 ........................(2) Solving eq1 n 2 =>x=15 and y=10 ANS:There are 10 50rs. Notes and 15 100rs. Notes. I hope this sol may be useful for u!

0Thank You

ANSWER

Examine the continuity of the function, f(x)= 3X - 2 if X less than equal zero and x+1 if X greater than zero. Also sketch the graph of this function.

Posted by Piu Paul 6 years, 3 months ago

CBSE > Class 12 > Mathematics

3 answers

Anubhuti Khatri 6 years, 3 months ago

As we know when L. H. L and R.H.L are equal function is said to be continuous. Graph of the function is not possible here

0Thank You

Anubhuti Khatri 6 years, 3 months ago

f(x) is discontinuous at x=0, because here L. H.L=-2and R. H. L=1

0Thank You

Aman Kumar 6 years, 3 months ago

Sorry but here Graph is not possible...

0Thank You

ANSWER

Let A =(-1,0,1,2), B=(-4,-2,0,2) & f,g:A-B be function defined by f(x)=x2-x,x belongs A &g(x)=2|x-1/2|-1,x belongs to A .find gof &hence show that f=g=gof

Posted by Ram Niwas 6 years, 3 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Using vectors find the value of x such that the four points A(x,5,-1) B(3,2,1)C(4,5,5) D(4,2,-2)

Posted by Vipin Rao 6 years, 3 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Excercise 4.2 questions 7

Posted by Pooja Chhibber 6 years, 3 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Last 5 years compartment papers of cbse class 12th

Posted by Bhupender Sangwan 6 years, 3 months ago

CBSE > Class 12 > Mathematics

1 answers

Sia ? 6 years, 3 months ago

Check last year papers here : https://mycbseguide.com/cbse-question-papers.html

0Thank You

ANSWER

Find dy/dx if x=2 cos theta - cos 2 theta and y =2sin theta - sin2theta

Posted by Harleen Kaur 6 years, 3 months ago

CBSE > Class 12 > Mathematics

1 answers

Kumar Aditya 6 years, 3 months ago

Dx/dtheta=2( -sintheta)- (-sin 2 theta) 2 Dy/dtheta=2costheta- cos2theta×2 Dy/dx= costheta- cos2theta/ sin2theta- sintheta

0Thank You

ANSWER

Ncert solution

Posted by Man Singh Ghatoye 6 years, 3 months ago

CBSE > Class 12 > Mathematics

1 answers

Tripti Rawat 6 years, 3 months ago

Check NCERT solutions here : https://mycbseguide.com/ncert-solutions.html

0Thank You

ANSWER

Can u suggest some innovative models for maths exhibition

Posted by Vaikundam Janaki 6 years, 3 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Binary operation is in sallybus or not?

Posted by Sachin M 6 years, 3 months ago

CBSE > Class 12 > Mathematics

3 answers

Vanisha Meena 6 years, 3 months ago

It is removed???

0Thank You

Adwitha Nair???‍??‍? 6 years, 3 months ago

It is removed

0Thank You

Sia ? 6 years, 3 months ago

Binary Operation has been removed from the syllabus.

1Thank You

ANSWER

Coplanar

Posted by Muthu Mani 6 years, 3 months ago

CBSE > Class 12 > Mathematics

1 answers

Sia ? 6 years, 3 months ago

in the same plane.

2Thank You

ANSWER

Find integrate under root x square + 2 X + 5

Posted by Ashish Kumar 6 years, 3 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

(logsinx)^2

Posted by Omar Abdullah 6 years, 3 months ago

CBSE > Class 12 > Mathematics

3 answers

Kajal Kunwar 6 years, 3 months ago

2logsinx.cotx ???

0Thank You

Aman Kumar 6 years, 3 months ago

The Answer is :- 2logsinx.cotx

1Thank You

Mayank Sharma 6 years, 3 months ago

2logsinx

0Thank You

ANSWER

log (cosecx-cotx)

Posted by Omar Abdullah 6 years, 3 months ago

CBSE > Class 12 > Mathematics

1 answers

Swati Singh 6 years, 3 months ago

What have I do with it?

0Thank You

ANSWER

sin^2(log (2x+3)

Posted by Omar Abdullah 6 years, 3 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

P^2=(acosx)^2+(bsinx)^2. prove p+double derivative ofp w.r.t x=ab/p^3

Posted by Ajay Panwar 6 years, 3 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Prove that:1/2 tan^-1 x=cos^-1{1+underroot 1+x^2/2underroot 1+x^2}^1/2

Posted by Sahib Singh 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

If a vector b vector and c vector be non zero vectors st a vector ×b vector ×c

Posted by Jatinder Pannu 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

RDSharma or Elements . Which one is good?

Posted by Anubhuti Khatri 6 years, 4 months ago

CBSE > Class 12 > Mathematics

4 answers

Alisha Wadhwa 6 years, 3 months ago

Elements is enough. If uh want to do more then start doing rd sharma after elements.

1Thank You

Anubhuti Khatri 6 years, 3 months ago

Still confused ?

0Thank You

Kajal Sharma 6 years, 3 months ago

Elements

1Thank You

Akankhya Panda 6 years, 4 months ago

rd sharma

1Thank You

ANSWER

Delhi compartment 2017 paper solution

Posted by Sumit Goyal 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Compartment paper kaisa aata h

Posted by Mohit Pal 6 years, 4 months ago

CBSE > Class 12 > Mathematics

3 answers

Harshit Khurana 6 years, 4 months ago

Fail ho kr dekh le

1Thank You

Kajal Kunwar 6 years, 4 months ago

Kya hota h compartment paper??????

1Thank You

Akankhya Panda 6 years, 4 months ago

hard

1Thank You

ANSWER

Two schools A and B decided to award prizes to their students for three values honesty(×) , punctuality(y) & obedience (z). School A decided to award a total of rs.11000 for the 3 values

Posted by Siva Subramanian M 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Gaurav Seth 3 years, 1 month ago

Question: Two schools A and B decided to award prizes to their students for three values—honesty (x), punctuality y and obedience School A decided to award a total of Rs 11000 for three values to 5, 4, 3 students respectively and school B decided to award a total of Rs 10700 for three values to 4, 3 and 5 students respectively. If all together, it amounts to Rs 21700 then
i)Represent this by matrix equation and form linear equation using matrix multiplication.
ii)Is it possible to solve so obtained equations using matrices ?
iii)Which value you prefer to be rewarded ?

Answer:

Ans.