Manipal Entrance Test 2013 Math Paper

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Question : 67 of 80

Marks: +1, -0

If

1

x(x+1)(x+2).....(x+n)

=

A0

x

+

A1

x+1

+

A2

x+2

+.....+Anx+n then Ar is equal to

r!(1)r
(n−r)!
(1)r
r!(n−r)!
(1)
r!(n−r)!
None of these

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