Solve the following differential equation:
It is a linear differential equation of the first order.
comparing it with we get:
P = sec2x and Q = tanx.sec2x
A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of the number of successes.
Using integration find the area of the region bounded by the parabola y2 = 4x and the circle 4x2 + 4y2 = 9.