kyla2006
Apr 13, 2010, 09:22 AM
solve cubed root x equals 8
Curlyben
Apr 13, 2010, 09:24 AM
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Unknown008
Apr 18, 2010, 10:33 AM
That is:
^3\sqrt x = 8
or:
x^{(\frac13)} = 8
Cube each side to give:
(x^{(\frac13)})^3 = 8^3
Use the product rule, then the 3 will cancel out.
(x^{(\frac{1}{\cancel{3}})})^{\cancel{3}} = 8^3
x^1 = 8^3