Question

find the sum of 10terms of an A.P whose nth term is an=5+3n​

Answer 1

Step-by-step explanation:

The sum of 10th term of an AP = 215

Put n = 1. = 3(1) + 5 = 3 + 5 = 8.

Put n = 2. = 3(2) + 5 = 6 + 5 = 11.

Put n = 3. = 3(3) + 5 = 9 + 5 = 14.

The sum of nth term of an AP,

The sum of 10th term of an AP,

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Answer 2

Step-by-step explanation:

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