If p = 4 , q = - 3 and r = 2, find the value of p3 + q3 - r3 - 3pqr
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Answer:
-44
Step-by-step explanation:
LHS=p³+q³-r³-3pqr
=4³+(-3³)-2³-3(4)(-3)(2)
=64-28-8-72
= -44
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