Math, asked by iamavery, 1 year ago

find the sum of first multiples of 8.

Answers

Answered by Deependra7
1
8+16+24= 48
HOPE IT HELPS U

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Deependra7: i gave the correct answer
Answered by TheKnowledge
2
Hey mate !!

here is your answer

AP => 3,6,9 ....


cd => 6-3 = 3


to find the sum of first multiple of 8


sn = n/2 (2a + (n-1) x d


=> sn 8 /2 ( 2 x3 +(8-1) x 3 )


=> 4 x 27

=> 108



hope it helps dear !!

thanks


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