Math, asked by roopchand52, 4 months ago

Fond the sum of first 40 positive integers divisible by 6

Answers

Answered by manyamurgai

1

We know that the first 40 positive integers divisible by 6 are 6,12,18,....

This is an AP with a = 6 and d = 6

S40= 20[2(6) +(40-1)6] =20[12+234] =4920

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