HSC Science (Electronics) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Mathematics and Statistics

If Rolle’s theorem holds for the function f(x) = (x –2) log x, x ∈ [1, 2], show that the equation x log x = 2 – x is satisfied by at least one value of x in (1, 2).

The function f(x) = `x(x + 3)e^(-(x)/2)` satisfies all the conditions of Rolle's theorem on [– 3, 0]. Find the value of c such that f'(c) = 0.

Choose the correct option from the given alternatives :  

If the function f(x) = ax³ + bx² + 11x – 6 satisfies conditions of Rolle's theoreem in [1, 3] and  `f'(2 + 1/sqrt(3))` = 0, then values of a and b are respectively

Verify Rolle’s theorem for the function f(x)  `(2)/(e^x + e^-x)` on [– 1, 1].

Integrate the following w.r.t. x : `(x^2 + 2)/((x - 1)(x + 2)(x + 3)`

Integrate the following w.r.t. x : `x^2/((x^2 + 1)(x^2 - 2)(x^2 + 3))`

Integrate the following w.r.t. x : `(12x + 3)/(6x^2 + 13x - 63)`

Integrate the following w.r.t. x : `(2x)/(4 - 3x - x^2)`

Integrate the following w.r.t. x : `(x^2 + x - 1)/(x^2 + x - 6)`

Integrate the following w.r.t. x:

`(6x^3 + 5x^2 - 7)/(3x^2 - 2x - 1)`

Integrate the following w.r.t. x : `(12x^2 - 2x - 9)/((4x^2 - 1)(x + 3)`

Integrate the following w.r.t. x : `(1)/(x(x^5 + 1)`

Integrate the following w.r.t. x : `(2x)/((2 + x^2)(3 + x^2)`

Integrate the following w.r.t. x : `2^x/(4^x - 3 * 2^x - 4`

Integrate the following w.r.t. x : `(3x - 2)/((x + 1)^2(x + 3)`

Let X ~ B(n, p) if n = 10, E(X) = 5, find p and Var(X).

Let X ~ B(n, p) if E(X) = 5 and Var(X) = 2.5, find n and p.

If a fair coin is tossed 10 times and the probability that it shows heads 5 times.

Integrate the following w.r.t. x : `(5x^2 + 20x + 6)/(x^3 + 2x ^2 + x)`

Integrate the following w.r.t. x : `(1)/(x(1 + 4x^3 + 3x^6)`