Anyone please help surds questions

asked Aug 6, 2021 73.3k views

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6 votes

Answer:

2√(21)

Explanation:

We can multiply the two irrational terms, getting
√(84) .

We see that 4 is a factor of 84, so we can rewrite
√(84) as
√(4 (21) ) . We can take the 4 out, getting
2√(21) .

Jason Zhao answered Aug 11, 2021

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