Simplifying rational expression

**Braedong** · January 14th 2012, 04:07 PM

(a^4)(³√a(a^5))
Hopefully that makes sense.

**e^(i*pi)** · January 14th 2012, 04:41 PM

Originally Posted by Braedong

(a^4)(³√a(a^5))
Hopefully that makes sense.

Do you mean $a^4 \cdot \sqrt[3]{a(a^5)}$ or $a^4 \cdot \sqrt[3]{a} \cdot a^5$

You would do well to recall the exponent laws, namely the one that says $m^n \cdot m^p = m^{n+p}$ and the one that says $\sqrt[n]{m} = m^{1/n}$

**Braedong** · January 14th 2012, 05:37 PM

I actually figured it out on my own. I meant the first one anyway.

**HallsofIvy** · January 15th 2012, 11:00 AM

May I ask why you titled this "Simplifying rational expression" when there is no rational expression involved?

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