Question

9/16x²-y²/9 factorise the following using appropriate identities
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Answer 1

HI MATE

$(3x/4)^{2}$ - $(y/3)^{2}$

$\implies$ a^2 - b^2 = (a + b)(a - b)

Therefore,

$(3x/4)^{2}$ - $(y/3)^{2}$ = [(3x/4) + (y/3)][(3x/4) - (y/3)]