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overset(10)underset(i=3)sum5...

`overset(10)underset(i=3)sum5`

A

260

B

50

C

40

D

5

Text Solution

Verified by Experts

The correct Answer is:
C
The summation indicates that 5 be summed 8 times (when i=3,4,……,11)`, so the sum is `8xx5=40`. [19]
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