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If (x-a)^(2m) (x-b)^(2n+1), where m and...

If `(x-a)^(2m) (x-b)^(2n+1)`, where `m and n` are positive integers and `a > b`, is the derivative of a function f then-

A

x=b is point of minimum

B

x=b is a point of maximum

C

x=b is a point of inflextion

D

none of these

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A
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