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Math

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how do you write radicals as powers? please help me with the following question, I know the answer but I don't know HOW to get it. I must learn this so please help me.

y5/3 is under the square root sign

sorry I retyped this, but I made a mistake typing it before

  • Math -

    roots are fractional powers. The nth root of x is x^(1/n)
    Because if y is the nth root of x, y^n = x.
    (x^(1/n))^n = x^(n/n) = x^1 = x

    √(y5/3 = (y5/3)1/2 = y5/6

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