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Let f(x)= Ax^(2) +bx+C where A,B, C are ...

Let `f(x)= Ax^(2) +bx+C` where A,B, C are real numbers. If f(x) is an integer whenever x is an integer, then which of the following number is not necessarily integer

A

2A

B

`A+B`

C

C

D

None of these

Text Solution

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The correct Answer is:
D
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