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Question
Difficulty Level:

Easy

MCQ

We want to factor the following expression: 4x4−9y44 x^{4}-9 y^{4}

We can factor the expression as (U+V)(U−V)({U}+{V})({U}-{V}) where U{U} and V{V} are either constant integers or single-variable expressions.

What are U and V?

Select all that apply :

U=2x2 and V=3y2U=2 x^{2} \text { and } V=3 y^{2}

U=x2 and V=3y2U=x^{2} \text { and } V=3 y^{2}

U=4x4 and v=9y4U=4 x^{4} \text { and } v=9 y^{4}

U=2x2 and V=9y2U=2x^{2} \text { and } V=9 y^{2}

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