Question

Find the value of pcube_ quality cube,if,p_q=_8 and pq=12

Answer 1

${p}^{3} - {q}^{3} \\ = (p - q) ^{3} + 3pq(p - q) \\ = { (- 8)}^{3} + 3 ( - 8 \times 12) \\ = - 512 - 288 \\ = - 800$
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