(2x+3y)(2x-3y)= (4 x-9 y, 4 x^2-9 y^2, 4 x^2+9 y^2 ) - Vidyadip

Question

$(2x+3y)(2x-3y)=$ $\left(4 x-9 y, 4 x^2-9 y^2, 4 x^2+9 y^2\right)$

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Answer

$4 x^2-9 y^2$

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