The second order derivative of which of the following functions is \(5^x\) ?

The value of \(\int_0^1 \frac{a - bx^2}{(a + bx^2)^2}\,dx\) is:

The degree of the differential equation \(\left(1 - \left(\frac{dy}{dx}\right)^2\right)^{3/2} = \left(k\frac{d^2y}{dx^2}\right)\) is :

\(\int \frac{\pi}{x^{n+1} - x}\,dx =\)

Let R be the relation over the set A of all straight lines in a plane such that \(l_1 R l_2 \Leftrightarrow l_1\) is parallel to \(l_2\). Then R is:

If \(t = e^{2x}\) and \(y = \log_e t^2\), then \(\frac{d^2y}{dx^2}\) is :

The probability of not getting 53 Tuesdays in a leap year is:

The corner points of the feasible region determined by - \(x + y \le 8, 2x + y \ge 8, x \ge 0, y \ge 0\) are A(0,8), B(4,0). If the objective function \(Z = ax + by\) has its maximum value on the line segment AB, then the relation between a and b is :

The angle between two lines whose direction ratios are proportional to \(1, 1, -2\) and \((\sqrt{3} - 1), (-\sqrt{3} - 1), -4\) is: