Math, asked by lleegandy, 1 year ago

Calculate

6
∑ 2i
i=1

Answers

Answered by Anonymous
0
hlo here is your ans
£2i. and i is move from 1 to 6
we all know £i =n(n+1)/2
where I move from 1 to 6
so £2i= 2 ×6 (6+1)/2
= 12×7/2
42
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