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 83E
To determine

To calculate: The expression by rationalization 22+7

Expert Solution

Answer to Problem 83E

  235=3+52

Explanation of Solution

Given information:

Given expression is 22+7

Consider the expression as 22+7

Now,

  22+7=22+7×2727=2(27)(2)2(7)2=2(27)27=2(27)(5)=2(72)5

Therefore, simplest form of the expression 22+7=2(72)5

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