The value of int(1)^(a)[x]f'(x)dx,a>1 ,w...

The value of `int_(1)^(a)[x]f'(x)dx,a>1` ,where "[x]" denotes the greatest integer not exceeding is

A

`af(a) - {f(1) + f(2) +…+ f([a])}`

B

`[a] f(a) - {f (1) + f(2) +…+ f([a])}`

C

`[a] f([a]) - {f (1) + f(2) + …+f(a)}`

D

`af([a]) - {f(1) + f(2) + …+ (a)}`

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The correct Answer is:

B

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