Question

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

Answer 1

Answer:6

Step-by-step explanation:

A=4

D=3

A'=-5

A12=A'8

4+33=-5+7D'

42=7D'

D'=6