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Let I1=int0^n[x]dx" and I2=int0^n{x}dx, ...

Let `I_1=int_0^n[x]dx" and I_2=int_0^n{x}dx`, where [x] and {x} are integral and fractional parts of x and `nne N-{1}`. Then `(I_1)/(I_2)` is equal to

A

`(1)/(n-1)`

B

`(1)/(n)`

C

n

D

`n-1`

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The correct Answer is:
D
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