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Match each special conditional cubic identity with its result:

A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
If a+b+c=0 then a³+b³+c³ = 3abc. Difference of squares of reciprocals is 4. Sum of squares is 2(x²+1/x²).
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