Question

First term of an AP is 4 and the common difference is 3. Its 12th term is same as the 8thterm of another AP having first term -5. Find the common difference of the second AP.

Answer 1

Answer:

Step-by-step explanation:

a=4 d=3

12 th term of first AP is =a+7d

=4+11(3)

=37

37=8th term of 2nd AP

=a+7d (a=-5 given)

= -5+7d

37+5/7=d

42/7=d

d=6

Hence .the common difference is 6 for the second AP

Answer 2

here is your answer mate