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7.2 #13 math 80 I wil post the image of question...

7.2 #13 math 80 I wil post the image of question...-example-1
User Jayant Kumar
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1 Answer

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23 votes

SOLUTION

The given expression is:


\frac{(r^{(1)/(2)}s^{(5)/(7)})^(14)}{r^5}

Applying laws of exponents the expression becomes:


\frac{r^{(1)/(2)*14}s^{(5)/(7)*14}}{r^5}

This gives


(r^7s^(10))/(r^5)

This further gives


r^(7-5)s^(10)=r^2s^(10)

Therefore the solution is


r^2s^(10)

User AIon
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