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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 b need not be an integer

C

a and b are non-integers but a+ b is always an integer

D

a and b are always integers

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The correct Answer is:
D
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VMC MODULES ENGLISH-QUADRATIC EQUATIONS & INEQUATIONS -JEE Advance ( Archive )
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