Question

Evaluate (2x+y)(2x-y)

Answer 1

using identity (a+b)(a-b)=(a^2-b^2)

{(2x)^2-(y)^2}

4x^2-y^2 ans

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Answer 2

Solution:-

$\implies \: (2x + y)(2x - y)$

we know that formula of

$\implies \boxed{ \pink{(a + b)(a - b) = (a {}^{2} - b {}^{2} )}}$

$\implies \: (2x) { }^{2} - y {}^{2} \\ \\ \\ \implies \: 4x {}^{2} - y {}^{2}$

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