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x^(4) +4y^(4) is divisible by which one ...

`x^(4) +4y^(4)` is divisible by which one of the following ?

A

`(x^2 + 2xy + 2y^2)`

B

`(x^2 + 2y^2)`

C

`(x^2 - 2y^2)`

D

None of these

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The correct Answer is:
A
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