1.

\(\sqrt[4]{81}\) = ...................A) 3 B) 4C) 5 D 1/3

Answer»

Correct option is (A) 3

\(\sqrt[4]{81}=(81)^\frac14=(3^4)^\frac14=(3)^{4\times\frac14}\) \(=3^1=3\)

Correct option is  A) 3



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