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

This occour due to lack of practice. So, you solve multiple question or the tough question of your book many more time and repeat selective question again in particular interval of time.

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Sanki baba 8 theta minus cos squared theta upon 1 minus 2 sin square theta cos square theta

Posted by Jai Marothiya 7 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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Dy/dx=3×+4y

Posted by Phisic Master 7 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Nikhil Singh 7 years, 1 month ago

3/1-4

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Integration problem with

Posted by Sikandar Kumar 7 years, 1 month ago

CBSE > Class 12 > Mathematics

2 answers

Ayush Kumar 7 years, 1 month ago

Till class tenth it is not so much impt

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Yo Yo Honey Singh ? 7 years, 1 month ago

What is the question

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maths ke board ke paper me miscellaneous se kabhi question aata h kya????

Posted by Gyandeep Srivastava 7 years, 1 month ago

CBSE > Class 12 > Mathematics

4 answers

Prabhat Goel 7 years, 1 month ago

Ya miscllaneous is very important specially for 6 marks question 100 per

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Yo Yo Honey Singh ? 7 years, 1 month ago

Miscellaneous is very very very very very very very very very very very very very very very very very very infinite times very very important.

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Mansi Sharma 7 years, 1 month ago

Yaa ... miscellaneous is very imp . It is possible that mostly questions are from there .

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Kalas Sahu 7 years, 1 month ago

Miscellaneous exercises are most and very very important

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There is a short trick of three order matrix to find adjoint but not given in ncert book then it can be applied in board or not

Posted by Chirag Nainani 7 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Rajat Dhull 7 years, 1 month ago

No can't be applied

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Five digit numbers are formed using the digits 0,1,2,3,4,6,7 without repetition .Find the probability that a number is divisble by 3 .

Posted by Damanpreet Kaur 7 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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3x + 5y =20

Posted by Kajal Kamboz 7 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Yo Yo Honey Singh ? 7 years, 1 month ago

What is this what we have to do can you elaborate

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f(x)={(1-tanx)/(1+sinx)}power cosecx is continuous at 0 and find F(0)

Posted by Praveen Mathare 7 years, 1 month ago

CBSE > Class 12 > Mathematics

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if vector a+vector 2b+vector3c=0 then prove that value of vector a× vector b+ vector b×vector c+ vector c× vector a will be 6(vector b× vector c) or 2(vector a× vector b) or 3(vector c× vector a)

Posted by Adarsh Kumar Singh 7 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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What is integration of 2x⅔+8y⅔-67

Posted by Bhopen Kangujam 7 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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Evaluate -cos60

Posted by Abhishek Singh 7 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Kalas Sahu 7 years, 1 month ago

-22/7×3

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Find integration of log cosx

Posted by Muskan Yadav 7 years, 1 month ago

CBSE > Class 12 > Mathematics

5 answers

Ritesh Gadua 7 years, 1 month ago

We can use ILATE by taking 1 asbsecond function.

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Ankit Jangid 7 years, 1 month ago

In which cosx is replaced at x of function logx.

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Ankit Jangid 7 years, 1 month ago

You can't use ILATE RULE because it is single function

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Kushal Dobhal 7 years, 1 month ago

Did u get that..

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Kushal Dobhal 7 years, 1 month ago

Use ILATE RULE then integrate it..

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Simplify the inverse trignometry question : (Sin^-1 x)^-1 + (cos^-1 x)^-1

Posted by Kashish Singh 7 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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Derivative of sinx with respect to cosx.

Posted by Savita Prajapat 7 years, 1 month ago

CBSE > Class 12 > Mathematics

3 answers

Anshdeep Singh 7 years, 1 month ago

-cot x

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Raghav Khandelwal 7 years, 1 month ago

-cotx

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Kushal Dobhal 7 years, 1 month ago

May be.. cosx and tanx

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Write the derivative of sinx with respect to cosx.

Posted by Savita Prajapat 7 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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Tan(tanx)

Posted by Mohit Krishna 7 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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(1+ex/y) dx + e x/y (1-x/y)dy=0

Posted by Hemant Garg 7 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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For odd mutiple wheather we use n+1/2 or n-1/2

Posted by Vaibhav Vasan 7 years, 1 month ago

CBSE > Class 12 > Mathematics

3 answers

Vaibhav Vasan 7 years, 1 month ago

Pl Ayush please give example

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Ayush Kumar Gupta 7 years, 1 month ago

We use both, depending upon question

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Deeksha Singh 7 years, 1 month ago

n-1/2

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Integration of e raise to power x - 1 + X raised to power

Posted by Aakashdeep Singh Chandi 7 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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Find the sum of intercepts cut off by plane 2x+3y-z=5

Posted by Blesson K Saji 7 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Ashish Kumar 7 years, 1 month ago

4/5

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Cos(2sin-1x)=1/9

Posted by Arin Verma 7 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Ankit Raturi 7 years, 1 month ago

Wrong format

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How many marks is alloted for each chapters of calculus?

Posted by Divyanshu Rai 7 years, 1 month ago

CBSE > Class 12 > Mathematics

3 answers

Deeksha Singh 7 years, 1 month ago

Calculus weightage is min 45 marks, in which integration take more part than differentiation

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Raghav Khandelwal 7 years, 1 month ago

Integration weightage is of 12 marks

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Yo Yo Honey Singh ? 7 years, 1 month ago

It is not predefined but i think integration and differentiation very high weightage

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a=(2i-j+k) b=(i+2j+3k and c=(3i+lamda J +5kg

Posted by Anand Singh 7 years, 1 month ago

CBSE > Class 12 > Mathematics

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$tan-1 integration

Posted by Tejasv G 7 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Ashish Kumar 7 years, 1 month ago

By parts tan^-1.1dx

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A letter is known to have come either from LONDON or CLIFTON.On the envelope just two consecutive letters ON are visible.what is the probablity that the letter has come from （1）LONDON（2）CLIFTON

Posted by Sarita Saini 7 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Gaurav Seth 7 years, 1 month ago

Let E1 --> Letters came from the word LONDON

and E2 --> Letters came from the word CLIFTON

Since the letters have to come from either of these two words

P(E1) = P(E2) = 1/2

Let A --> Two consequitive letters on the envelope are ON

If E1 occurs then the letters ON come from the word LONDON. In this word there are 6 letters in which ON occurs twice. Considering one of the ON's as one object/letter there are now 5 letters.

Therefore

P(A/E1) = 2/5

Now if E2 occurs, then the letters come form the word CLIFTON. In this there are 7 letters in which ON occurs once. Considering ON as one object/letter there are now 6 letters.

Therefore

P(A/E2) = 1/6

Baye's Theorem

(i) P(E1/A) = ( 1/2 * 2/5 ) / ( 1/2 * 2/5 + 1/2 * 1/6 )

---------> = 2/5 * 30/17

---------> = 12/17 ( ans )

(ii) P(E2/A) = ( 1/2 * 1/6 ) / ( 1/2 * 1/6 + 1/2 * 2/5 )

---------> = 1/6 * 30/17

---------> = 5/17 ( ans )

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there is a group of 100 people who are patriotic out of which70 believe in non violence.two person are selected at random out of them,write the probablity distribution for the selected persons who are non violent.also find the mean of the distribution.