Question 600805
sqrt(25x^4)
= sqrt(25)*sqrt(x^4)
= 5*x^2
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sqrt[3](24x^9)
= cbrt(8x^9)*cbrt(3)
= (2x^3)*cbrt(3)
============================
 

sqrt[3](32x^8)
= cbrt(8x^6)*cbrt(4x^2)
= (2x^2)*cbrt(4x^2)
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cheers,
Stan H.