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Mathematics 15 Online
OpenStudy (anonymous):

2

OpenStudy (anonymous):

??? Whats the question

OpenStudy (anonymous):

OpenStudy (anonymous):

@wangkan07

OpenStudy (anonymous):

just try to simplify them and see which one it is. if it helps, the square root of 49 is 7

OpenStudy (anonymous):

\[a \sqrt{b} = \sqrt{a^2b}\] does this help ?

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