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OpenStudy (anonymous):
√2x^3/3x
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OpenStudy (anonymous):
I suppose this means \[\frac{ \sqrt{2x^3} }{ 3x }\]
OpenStudy (anonymous):
So you can split up the terms in the equation like this\[\frac{ \sqrt{2xx^2} }{ 3x }\]
OpenStudy (anonymous):
So how can you simplify the square root?
OpenStudy (anonymous):
Well can you take some stuff out of the square root?
OpenStudy (anonymous):
You're close, there's a reason I made it x^2
Can't you take that out?
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OpenStudy (anonymous):
Yeah so how can you write that when you take out the x^2?
OpenStudy (anonymous):
Well no,...
Let's use an example, what is\[\sqrt{2^2}?\]
OpenStudy (anonymous):
Yup that's right
\[\sqrt{2^2}=2\]
So following that pattern couldn't we say that \[\sqrt{x^2}=x?\]
OpenStudy (anonymous):
So another way to write\[\frac{ \sqrt{2x}\times \sqrt{x^2} }{ 3x }\]
OpenStudy (anonymous):
Using what I said earlier\[\sqrt{x^2}=x\]
So this becomes\[\frac{ \sqrt{2x}\times x }{ 3x }\]
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OpenStudy (anonymous):
So the x cancels out in the denominator and the numerator and this becomes\[\frac{ \sqrt{2x} }{ 3 }\]
OpenStudy (anonymous):
Which is the simplest you can get it to
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