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The value of: (1 + 1/(a+1))(1+1/(a+2)) (...

The value of: `(1 + 1/(a+1))(1+1/(a+2)) (1+1/(a+3))(1+1/(a+4))` is

A

`(a+5)/(a+1)`

B

`(1)/(a+1)`

C

a + 5

D

None of these

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The correct Answer is:
A
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