The sum of the first six term of an arithmetic progression whose first term is 1 is equal to the sum of the first six terms of the geometric progression beginning 1, 2, 4, ... Find the sixth term of the arithmetic progression.
Sum of GP =1, 2, 4, 8, 16, 32 =63 Sum of AP =[F + L] / 2 * N 63 =[1 + L] / 2 * 6, solve for L L = 20 - Last term (6th term) of the AP
