Commerce (English Medium) कक्षा ११ - CBSE Question Bank Solutions for Mathematics

Find the derivative of the following function.

sin x cos x 

Find the derivative of the following function:

sec x

Find the derivative of the following function:

5 sec x + 4 cos x

Find the derivative of the following function:

cosec x

Find the derivative of the following function:

3cot x + 5cosec x

Find the derivative of the following function:

5sin x – 6cos x + 7

Find the derivative of the following function:

2tan x – 7sec x

Find the derivative of the following function (it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers):

(x² + 1) cos x

Find the derivative of the following function (it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers):

(ax² + sin x) (p + q cos x)

Find the derivative of the following function (it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers):

`(x + cos x)(x - tan x)`

Find the derivative of the following function (it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers):

`(4x + 5sin x)/(3x + 7cos x)`

Find the derivative of the following function (it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers):

`(x^2 cos (pi/4))/sin x`

Find the derivative of the following function (it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers):

`x/(1 + tan x)`

Find the derivative of the following function (it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers):

(x + sec x) (x – tan x)

Find the derivative of the following function (it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers):

`x/(sin^n x)`

If `2/11` is the probability of an event, what is the probability of the event ‘not A’.

A letter is chosen at random from the word ‘ASSASSINATION’. Find the probability that letter is

1. a vowel
2. an consonant

If E and F are events such that P(E) = `1/4`, P(F) = `1/2` and P(E and F) = `1/8`, find

1. P(E or F)
2. P(not E and not F).

A and B are events such that P(A) = 0.42, P(B) = 0.48 and P(A and B) = 0.16. Determine P(not A).

A and B are events such that P(A) = 0.42, P(B) = 0.48 and P(A and B) = 0.16. Determine P (not B)