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If x^2 + ax + b is an integer for every ...

If `x^2 + ax + b` is an integer for every integer x then

A

'a' is always an integer but 'b' need not be an integer.

B

'b' is always an integer but 'a' need not be an integer.

C

a + b is always an integer.

D

none of these

Text Solution

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The correct Answer is:
C
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FIITJEE-QUADRATIC EQUATION & EXPRESSION -ASSIGNMENT PROBLEMS (OBJECTIVE) Level - I
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