Question

10th term of an Ap is 38 and its first term is 2.then what will be the common difference.​

Answer 1

Answer:

Correct option is

A

0

Sum of an AP is:

2

n

×[2a+(n−1)d]

a=5,d=−2,n=6

Sum =

2

6

×[(2×5)+(6−1)×(−2)]

=3×(10−10)

=0

Answer 2

Answer:

4 is the common difference