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p^3+q^3-r^3-3pqr
given =p=4 q=-3 r=2
=(4)^3+(-3)^3-(2)^3-3×4×-3×2
=64+27-8+72
=163-8
ans=155
given =p=4 q=-3 r=2
=(4)^3+(-3)^3-(2)^3-3×4×-3×2
=64+27-8+72
=163-8
ans=155
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