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the derivative of y=(1-x)(2-x).............

the derivative of `y=(1-x)(2-x)..........(n-x)` at `x=1` is equal to

A

0

B

(-1) (n-1)!

C

n!-1

D

`(-1)^(n-1) (n-1)!`

Text Solution

Verified by Experts

The correct Answer is:
B
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