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, Problem 38RE
To determine

Factor the expression completely.

Expert Solution

Answer to Problem 38RE

  (x21)2

Explanation of Solution

Given information:

Factor the expression completely.

  x42x2+1

Calculation:

Consider the given expression.

  x42x2+1

The given expression is in perfect square form and applicable to identity,

  (ab)2=a2+b22ab

  x42x2+1x42x2+1=(x21)2

Hence, the factors are (x21)2

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