Algebramedium · Past Paper
If a+b+c=0, then a^3+b^3+c^3 is:
Aabc
B2abc
C3abc
D0
✓ Correct Answer: C — 3abc
Standard identity: if sum of three numbers is zero, the sum of their cubes is 3 times their product.
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✓ Correct Answer: C — 3abc
Standard identity: if sum of three numbers is zero, the sum of their cubes is 3 times their product.
Share this question