   Chapter 1.1, Problem 64E
Textbook Problem

In Exercises 63-68, rationalize the denominator.64. 3 x y

To determine

To evaluate: The rational expression by rationalize the denominator.

Explanation

Given:

The rational expression is. 3xy .

Definition1:

The rational expression is,

1a

The denominator of the rational expression is,

a

The conjugate of the denominator is, a .

Then rationalize the denominator is,

1a×aa=aa

Definition2:

Multiply the root square root number,

a×a

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