## $$x,y$$ are positive integers. Find the number of even factors of $$4x^2.$$

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### $$x,y$$ are positive integers. Find the number of even factors of $$4x^2.$$

by Vincen » Wed Feb 23, 2022 3:51 am

00:00

A

B

C

D

E

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$$x,y$$ are positive integers. Find the number of even factors of $$4x^2.$$

I. $$x^3-y^3+3xy$$ is odd and $$x$$ is a prime.
II. $$x^{x+y}\cdot y^{3x}+x^{3y}$$ is odd.