Question

if the 1st term of an AP is -18 ,a n equals to 10 and n equals to 10 find d?​

Answer 1

Answer:

28/9

Step-by-step explanation:

a = - 18

An = 10

n = 10

So, An = 10 = a +(n-1)d = -18+(10-1)d

d= 28/9