Mathematics of class XII is very interesting. As evident, there are two volumes of NCERT Textbooks covering the entire syllabus as prescribed by Central Board Of Secondary Education, New Delhi.

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Thank you sir for your help. Your T20 References for Probability is really helpful:-)

Sir, please arrange the class 12th R.D.Sharma solutions. Pls, pls.

Sir, its very usegul for us. At this time, we have all the notes. Thank you sir.

Sir, as early as possible give us the chapter App. of Derivative and Linear programming.

App. Of Derivatives and Linear Programming can’t be provided during this session. We regret this.

Sir, I want to ask you a question of probability.

Two dice are thrown twice. Find the probability of getting an even number on the first die or a total of 8.

Tried a lot but not getting the right answer. Please if you could help me.

Thank you.

Hi Ruchi

Take E as a event of getting first even nos. And F as event of getting sum 8 ..

F=[ 26 62 44 53 35 ]

E=[ 3*6 ]

E intersect F = 3

P(F)= 18

P(E/F)=3/18=1/6

Your approach is incorrect.

Sir, the p(f) value is supposed to be 5/36 right. but you wrote 4/36.. and then the final answer should be 20/36 instead of 19/36….

Hi Ruchi,

Take E as a event of getting even no. on first throw & F as event of getting sum 8.

E = {(2,1), (2,2), …, (2,6), (4,1), …(4,6), (6,1), …, (6,6)}

F = {(2,6), (3,5), (4,4), (5,3) (6,2)}

So, n(E intersection F) = 3

P(E or F) = P(E) + P(F) – P(E intersection F) = 18/36 + 4/36 – 3/36 = 19/36

Can you answer please! Find the maximum and minimum value of function 3-2sinx.

Also sir I want to thank you for this effort of yours to help students like me.

Kindly contact Mr. Gupta on WhatsApp @ +919650350480.

Dear Mr. OP Gupta Guruji, GOOD DAY.

TU for all the support provided by you for my daughter’s compartmental exam for class xii in Maths. She cleared the same.

TU & Best Regards to you always. Please let me be apprised if I could be of any assistance to you.

Anandamoy

Sir does Mathmania contain the sol. as well?

Sir, I am unable to understand the elementary operations in determinants class 12. Please help..

You may follow some examples from your Textbook. Also I suggest you to take help from your teachers.

Sir, do you have any refreshers of your works?