Question: Problems 67-70 illustrate common errors involving rational exponents. In each case, find numerical examples that show that the left side is not always equal to

Problems 67-70 illustrate common errors involving rational exponents. In each case, find numerical examples that show that the left side is not always equal to the right side.
68. (x3+ y3)1/3 ‰ x + y
70.

(r ty

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