If , a, 2 are three consecutive terms of an A.P., then find the value of a. A mathematical fraction, specifically 4/5.

Q14 of 202 Page 10

If , a, 2 are three consecutive terms of an A.P., then find the value of a.

_{, a, 2 are three terms in an A.P so there common difference will be same}

a– = 2–a

2a= 2 +

2a=

a =

The first term of an A.P. is p and its common difference is q. Find its 10th term. [CBSE 2008]

For what values of p are 2p + 1, 13, 5p – 3 are three consecutive terms of an A.P.?

If the sum of first p term of an A.P. is ap² + bp, find its common difference.

If 7th and 13th terms of an A.P. be 34 and 64 respectively, then its 18th term is