Q. 2 A3.9( 21 Votes )

# Write an A.P. whose first term is a and common difference is d in each of the following.

a = 10, d = 5

Answer :

a = 10, d = 5

Let a_{1} = a = 10

Since, the common difference d = 5

Using formula a_{n + 1} = a_{n} + d

Thus, a_{2} = a_{1} + d = 10 + 5 = 15

a_{3 =} a_{2} + d = 15 + 5 = 20

a_{4} = a_{3} + d = 20 + 5 = 25

Hence, An A.P with common difference 5 is 10, 15, 20, 25,….

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