Important Questions

CBSE Guess > Papers > Important Questions > Class XII > 2010 > Maths > Mathematics By Mr Vasu Raj

CBSE CLASS XII

Q. 1. Find intervals in which the function given by      is

(a) strictly increasing (b) strictly decreasing.

Q. 2. Show that the function f given by f (x) = tan–1(sin x + cos x), x > 0 is always an strictly increasing function in

Find the intervals in which the following functions are  increasing or decreasing

Q. 1. f(x) = -x2 - 2x +15.

Q. 2. f(x) = 2x3 +9x2 +12x +20

Q. 3. (x+1)3(x-3)3.

Q. 4. x4 - .

Q. 5. f(x) sin3x.

Q. 6. f(x) = sinx + cosx.

Q. 7. f(x) sin4x + cos4 x on [0, p/2]

Q. 8. f(x) = log(1+x) - .

Answers

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Paper By Mr Vasu Raj
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Ph No. : 9940116934