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 64E
To determine

To calculate: The expression xyxy+yx

Expert Solution

Answer to Problem 64E

  xyxy+yx=x3x2+y2

Explanation of Solution

Given information:

Given expression is xyxy+yx

Consider the expression as xyxy+yx

Now,

  xyxy+yx=xyx2+y2xy=xxy2x2+y2=x(x2+y2)xy2x2+y2=x3+xy2xy2x2+y2=x3x2+y2

Therefore, xyxy+yx=x3x2+y2

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