Question

find four consecutive term in an AP is the sum 72​

Answer 1

Answer:

Consecutive terms of an Arithmetic Progression: a-d+a-3d+a+d+a+3d = 4a . And this 4a can be equated to the sum and hence we can we find the value of a and can proceed further. a+a+d+a+2d+a+3d = 4a+6d . And 4a+6d can be equated to the sum and we can find the unknown value it is either of a or d