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​3 ​​ √ ​343 ​ ​​ =
215k views
5 votes
​3
​​ √
​343
​
​​ =

User Ryan Kline
by
7.3k points

1 Answer

2 votes

21 √(7)
because
3√(343)=3√(49*7)=3√(49)√(7)=3*7√(7)=21√(7)
User Hito
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7.6k points
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