Math, asked by misskritimishra, 1 year ago

find the sum of 15 multiples of 8
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Answered by ApurvMishra

hey friend....

it should be FIRST 15 multiples of 8.

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ApurvMishra: 9406445153

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DarkOverlord: seriously dude she can ask here at brainly and u can then give her answer... i wouldn't have interfered if i wouldn't be getting any notifications which i am... so pls just take this matter to imbox maybe? :)

DarkOverlord: sero miss u dont have to do this...

ApurvMishra: okh...i can understand

DarkOverlord: thx

Answered by DarkOverlord

first term=8

common differenc=8

number of terms=15

sum of 15 terms = n/2(2a+(n-1)d)

s15=15/2(16+112)

s15=15×64=960

there the sum of the 15 terms is 960

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find the sum of 15 multiples of 8
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