Using the identity: a^3 + b^3 + c^3 = 3abc in this question:
Given: a + b + c = 0
(a^1/3) ^3 + (b^1/3) ^3 + (c^1/3) ^3 = 0
a^1/3 + b^1/3 + c^1/3 = 3 a^1/3 * b^1/3 * c^1/3
a^1/3 + b^1/3 + c^1/3 = 3 (abc) ^ 1/3 Answer
Question : The table below gives the ranks secured by five different students in three different subjects in a qualifying examination:
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