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Mathematics 19 Online
OpenStudy (anonymous):

√x/2 * √x/72

OpenStudy (anonymous):

@RadEn

OpenStudy (anonymous):

whats (sqrtx)

OpenStudy (anonymous):

square root

OpenStudy (anonymous):

how would i type that in my answer

OpenStudy (mertsj):

\[\sqrt{\frac{x}{2}}\times \sqrt{\frac{x}{72}}\]

OpenStudy (mertsj):

Is that the problem?

OpenStudy (anonymous):

yes

OpenStudy (mertsj):

Use this property: \[\sqrt{a}\sqrt{b}=\sqrt{ab}\]

OpenStudy (anonymous):

1/144^2

OpenStudy (mertsj):

Actually it should be : \[\frac{x^2}{144}\]

OpenStudy (mertsj):

Now take the square root of that.

OpenStudy (mertsj):

What did you get?

OpenStudy (anonymous):

i dont know that one

OpenStudy (mertsj):

\[\sqrt{\frac{x^2}{144}}\]

OpenStudy (mertsj):

Do you know what square root means?

OpenStudy (anonymous):

x/72

OpenStudy (mertsj):

No. Because 72 times 72 is NOT 144

OpenStudy (anonymous):

12?

OpenStudy (mertsj):

Yes.

OpenStudy (mertsj):

So what is your final answer?

OpenStudy (anonymous):

x/12

OpenStudy (mertsj):

Perfect!! You are very smart.

OpenStudy (anonymous):

thank you so much

OpenStudy (mertsj):

yw

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