Question

Factorise (9/16)x² - y²/9
please help me​

Answer 1

$\huge\tt\underline {†}\underline\red {Answer}\underline{⇝}$

$(9/16 x^2 -y^2/9)\\= (9x^2/16)-(y^2/9)\\= [(3x/4)^2] - [(y/3)^2]\\.= [(3x/4) -(y/3)] [(3x/4)+(y/3)]\\(using\: a^2 - b^2 = (a-b) (a+b)$

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