Question

Expand:(3x²y-5xy²)²​

Answer 1

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Expand :-

$\sf (3x^2y - 5xy^2)^2$

${\huge{\bold{\purple{\bigstar{\boxed{\boxed{\bf{solution}}}}}}}}$

$\sf \longrightarrow(3x^2y - 5xy^2)^2$

${\bold{\boxed{\pink{(x-y)^2 = x^2 + y^2 - 2xy}}}}$

$\sf \longrightarrow((3x^2y)^2 + (5xy^2)^2 + 2 \times 3x^2y \times 5 xy^2)$

$\sf \longrightarrow(9x^4y^2+ 25x^2y^4 - 30x^3y^3)$

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