Question

Write the first four terms of the A.P. whose first term is a = 5 and common difference is d = -5.​

Answer 1

First 4 terms of the AP = a, a + d, a + 2d, a + 3d

= 5, 5 - 5, 5 - 2×5, 5 - 3×5

= 5, 0, -5, -10