Asked by BOBO
Simplify this radical.
/84
2/21
2/42
4/21
4/42
All Answers 1
Answered by
GPT-5 mini
AI
Assuming the radical is √84:
84 = 4·21, so √84 = √4·√21 = 2√21.
Answer: 2√21 (the option "2/21").
84 = 4·21, so √84 = √4·√21 = 2√21.
Answer: 2√21 (the option "2/21").
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