Question

First term of an AP is 4 and the comon diffrence is 3.its 12th term is same as the 8thterm another AP having first term -5 find the comon diffrence of the seconde AP

Answer 1

Answer:

d2 = 5

...............

Answer 2

a1=4
d1=3
a1+12d1=a2+7d2
4+36=5+7d2
35=7d2
d2=5
Hope it helps!!