BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1.4, Problem 63E
To determine

To calculate: The expression xyyx1x21y2

Expert Solution

Answer to Problem 63E

  xyyx1x21y2=xy

Explanation of Solution

Given information:

Given expression is xyyx1x21y2

Consider the expression as xyyx1x21y2

Now,

  xyyx1x21y2=x2y2xyy2x2x2y2=x2y2(x2y2)xy(y2x2)=xy(y2x2)(y2x2)=xy

Therefore, xyyx1x21y2=xy

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