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 92E
To determine

To calculate: The expression by rationalization x+1x

Expert Solution

Answer to Problem 92E

  x+1x=1x+1+x

Explanation of Solution

Given information:

Given expression is x+1x

Consider the expression as x+1x

Now,

  x+1x=(x+1x)×x+1+xx+1+x=(x+1)2(x)2x+1+x=x+1xx+1+x=1x+1+x

Therefore, simplest form of the expression x+1x=1x+1+x

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