Tombrokaw
Cube root p^7*r5



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nickhouraney
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\[\sqrt[3]{p^7r^5}\] correct?

Tombrokaw
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Si senor!

nickhouraney
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so if you just pull out the variables in 3s and leave whats left behind you would end up with...

Tombrokaw
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P4 R2
in the root

nickhouraney
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you call pull out one more P

Tombrokaw
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how?

Tombrokaw
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At this point we have P3 R3 and inside the root p4 r 2

nickhouraney
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ya but if were pulling out the variables in 3's then we can take out 2P's from that P^7

nickhouraney
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well be left with P in the cube root from that variable

Tombrokaw
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So it would be P^2 and R1 on the outside of the cube root?

nickhouraney
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correct

nickhouraney
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with PR^2 on the inside

Tombrokaw
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and on the inside P and r2
and it would be simplified

nickhouraney
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yup

Tombrokaw
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Perfect! Thank you