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যদি x + y = p, x - y = q হয়, তবে $(x + y)^{3} - 6 (x + y)^{2} (x - y) + 12 (x + y) (x - y)^{2} - 8 (x - y)^{3} =$ কত?

(p + 2 q)^{3}

(p - 2 q)^{3}

{(p - 2 q)}^{3}

p^{3} - 2 q^{3}

ANS : 2

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