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Mamont248 [21]
3 years ago
8

Simplify the radical 84

Mathematics
2 answers:
aalyn [17]3 years ago
8 0

Answer:

2\sqrt{21}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

\sqrt{84} = \sqrt{4(21)} = \sqrt{4} × \sqrt{21} = 2\sqrt{21}


shutvik [7]3 years ago
4 0

Answer:

The answer is 2√21

Step-by-step explanation:

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