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Mathematics 18 Online
OpenStudy (anonymous):

HELP????

OpenStudy (anonymous):

OpenStudy (anonymous):

@jim_thompson5910 @ParthKohli help me out???

Parth (parthkohli):

Can you multiply both numerator and denominator by \(\sqrt{30}\)?

OpenStudy (anonymous):

@ParthKohli can you walk me through this? i cant do it to save my life :-(

Parth (parthkohli):

Do you know that if you multiply numerator and denominator by the same number, the fraction remains the same?

OpenStudy (anonymous):

@ParthKohli i believe so..

Parth (parthkohli):

Yeah, you should, because it does. :-) For example if you have\[\dfrac{2}{3}\]and you multiply both numerator and denominator by 2, then you have the same number essentially\[\dfrac{2 }{3}= \dfrac{2 \times 2}{3 \times 2} = \dfrac{4}{6}\]

Parth (parthkohli):

Getting my point?

OpenStudy (anonymous):

@ParthKohli yes haha

Parth (parthkohli):

So in your fraction, you can multiply both the numerator and denominator by \(\sqrt{30}\)

OpenStudy (anonymous):

@ParthKohli ok...

Parth (parthkohli):

Do you need further help?

OpenStudy (anonymous):

@ParthKohli yes, please.

Parth (parthkohli):

\[\dfrac{4\sqrt6}{\sqrt{30} } = \dfrac{4\sqrt{6} \times \sqrt{30}}{\sqrt{30} \times \sqrt{30}}\]Do you see it?

Parth (parthkohli):

You need to simplify that.

Parth (parthkohli):

@ImEffy

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