Question

If 6th term of a series in A.P is -2 and 8th term is -8 , the first term of the series is?

Answer 1

Answer:a=13

Step-by-step explanation:

a6=a+5d=-2--------eq.1

a8=a+7d=-8--------eq.2

By elimination method,

d=-3

Subs d =-3 in eq .1

a-21=-8

a=-8+21

a=13