Question

find the 10th terms of the.A.P 10,5,0,-5,-10

Answer 1

The nth term in A.P. = a +(n-1)d

Here , a = 10 and b = -5

Therfore 10th term

= 10+(10-1)*(-5)

= 10 +9*(-5)

=10-45

=-35