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

Dekh priya,... Ye tum bhi janti ho ki maths ek aisa subject hai jiske liye kuch bhi kitna bhi kabhi enough nhi hota....but haan..taking a general view,... Ncert karne se hamara base clear hoga aur 70-80% wahi ke queation type aate hai...and 10 years karne se ....we get the proper idea of the questions ..ki wo kis kis tarike se aa sakte hai.......which will be roughly enough....but ager time ho then look it other reference ... Just for practice..and for left 20% if u have to score 100% in maths...???.Hope this help

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show that the relation R in the set A={1,2,3}given by R={(1,1)(2,2)(3,3)(1,2)(2,3)} is reflexive but neither symmetric nor transitive

Posted by Yashpal Letv 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Divyanshu Mishra 6 years, 4 months ago

For Reflexive : {(1,1),(2,2),(3,3)} € R Hence the relation "R" is Reflexive. For Symmetric : {(1,2),(2,3)} € R but {(2,1),(3,2)} doesn't € R Hence "R" is not symmetric. For transitive : {(1,2)}€R and {(2,3)}€R but {(1,3)} doesn't € "R" Therefore "R" is not transitive Therefore the relation "R" is Reflexive but neither symmetric nor transitive

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log log log x^3

Posted by Tulsi Saw 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

What is PMI

Posted by Krishna Agarwal 6 years, 4 months ago

CBSE > Class 12 > Mathematics

3 answers

Kajal Kunwar 6 years, 4 months ago

Principle of mathematical induction

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Rajesh Kumar 6 years, 4 months ago

PMI stands for Principle of Mathematical Induction

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Laksh Chauhan 6 years, 4 months ago

Principle of mathematical induction

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If f:R~R is defined as f(x) = x2 + 2 then fof (x) is

Posted by Harman Bhullar 6 years, 4 months ago

CBSE > Class 12 > Mathematics

3 answers

Divyanshu Mishra 6 years, 4 months ago

If F(x)=x^2+2,thenFof(x)= x^4 + 4x^2 + 6

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Divyanshu Mishra 6 years, 4 months ago

Fof(x)= f(2x+2)=4x+6

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Swati Singh 6 years, 4 months ago

x^4 +6 +4x^2

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Express the matrix 2 3 1 as sum of symmetric and skew symmetric matrix 1 -1 2 4 1 2

Posted by Hidha Lathief 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

How to determine onto and one one function Plzz tell me

Posted by Janhavi Bover 6 years, 4 months ago

CBSE > Class 12 > Mathematics

4 answers

Aman Kumar 6 years, 4 months ago

Nice answer

2Thank You

Aditya Rathore 6 years, 4 months ago

Output not outpit

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Aditya Rathore 6 years, 4 months ago

Onto mean every element of y is image of a element of x

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Aditya Rathore 6 years, 4 months ago

One one mean single in put per single outpit

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Is it compulsory to study maths from rd sharma.... Because questions are almost same in every book.... So one Can study from any refresher??

Posted by Anisha Sharma 6 years, 4 months ago

CBSE > Class 12 > Mathematics

4 answers

Aman Kumar 6 years, 4 months ago

Yaah , that correct swati...

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Swati Singh 6 years, 4 months ago

No ,It's not necessary...but u need a lot practice to score good in maths board which u can do only through this book as it contains +1 level questions and lot of solved examples!

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Aman Kumar 6 years, 4 months ago

Yes, not necessary to study rd sharma only ...whichever book u and ur teacher feel appropriate ....take that book?

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Aditya Rathore 6 years, 4 months ago

I think chapter wise is good choice in all subject

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If a matrix A( 0 a -3

Posted by Kajal Thakur 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Divyanshu Mishra 6 years, 4 months ago

Order of matrix is (1×3). Addition of matrix, (A+A) = (0 2a -6) Subtraction of matrix ,(A-A) = (0 0 0) Multiplication of matrix ,(A×A)=is not possible because column of 1st matrix is not = Row of 2nd matrix,(3 is not equal to 1)

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I face problem in increasing function in chapter 6 ..plz help me

Posted by Babu Seer Singh 6 years, 4 months ago

CBSE > Class 12 > Mathematics

2 answers

Kajal Kunwar 6 years, 4 months ago

Exercise 6.1 is vry hard

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Arihant Jain 6 years, 4 months ago

Its very simple 1:- Do differentaion 2:- If its value is greater than 0 then it is increasing otherwise it is decreasing.

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Sin2y+cos2y=1

Posted by Jatin Kashyap 6 years, 4 months ago

CBSE > Class 12 > Mathematics

2 answers

Kajal Kunwar 6 years, 4 months ago

= 1

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Kajal Kunwar 6 years, 4 months ago

2sinycosy +1+ sin ^2 y =

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prove that one to one function on an infinite set is not necessarily onto But everyone to one function on a finite set is always onto

Posted by Anindya Ghosh 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Aditya Rathore 6 years, 4 months ago

I cant able to understand your question

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Formulas of differential

Posted by Kaveri Sikhola 6 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Example 11 of inverse trigonometry

Posted by Sanjana Agrahari 6 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Babu Seer Singh 6 years, 4 months ago

Which step you have problem.

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Sin^-1(Sin2)

Posted by Saket Pandey 6 years, 4 months ago

CBSE > Class 12 > Mathematics

3 answers

Ajay Kumar Rana 6 years, 4 months ago

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Kajal Kunwar 6 years, 4 months ago

Only 2

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Rohit Chand 6 years, 4 months ago

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What is the difference between continuity and continuous in Calculus

Posted by Omji Dubey 4 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Sia ? 4 years, 4 months ago

A rigorous definition of continuity of real functions is usually given in a first course in calculus in terms of the idea of a limit. There are several different definitions of continuity of a function. Sometimes a function is said to be continuous if it is continuous at every point in its domain.

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What cubic function and how it solve

Posted by Ba Kus 6 years, 4 months ago

CBSE > Class 12 > Mathematics