Math, asked by sathyanathans4567, 3 months ago

Find the sum series
8+13 + 18+ ... up to
23 terms

Answers

Answered by mathisfun123

1

Answer:

In the given AP, a = 8 and d = 5

Sum of an AP is given by n/2 [2a + (n - 1)d]

= 23/2 [2*8 + 22*5]

= 23/2 * 126

= 1449

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