Question
Write a pair of integers whose sum gives an integer smaller than only one of the integers
If pth, qth, rth and sth terms of an A.P. are in G.P, then show that (p – q), (q – r), (r – s) are also in G.P.
only ques4
check continuity at x=0 and find the value of k
Water flows through a cylindrical pipe, whose inner radius is 1 cm, at the rate of 80 cm / s in an empty cylindrical tank, the radius of whose base is 40 cm. What is the rise of water level in tank in half an hour