Solve the following recurrence relation by the characteristic equation method and determine the coefficients: t(n) = 2t(n/2) for n > 1, n a power of 2; t(1) = 0
(a) t(n) = nlogn
(b) t(n) = 2ⁿ
(c) t(n) = n²
(d) t(n) = n