Math, asked by golu248, 1 year ago

find the sum of first 8 multiple of 3

Answers

Answered by lakhipriyadas1
2
First 8 multiples of 3=3,6,9,12,15,18,21,24

Now, sum of the 8 multiples of 3

3+6+9+12+15+18+21+24

=108

AakashMaurya: Hey you should use arithmetic progression according to the question
Answered by Riyuuuuu
4
Hey!!!
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Here is your answer!!!!
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Sum of first 8 multiple of 3
sn=n/2(2×a+(n-1)×d)
s8=8/2(2×3+(8-1)×3)
=4(6+7×3)
=4(6+21)
=4×27
=108
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Here is your answer!!!!
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