Let (*) be a binary operation on a natural number defined by a * b = a - b + (ab)\(^2\), then find 3 * 5
If y varies inversely as x and x = 3 when y =4. Find the value of x when y = 12
If 8, p, q and 26 is an A.P. Find the values of p and q
Find x if the mean of 2x, 4x, 2x - 13 and 6x is 4.
Factorize 4a\(^2\) - 9b\(^2\)
