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 81E
To determine

To calculate: The expression by rationalization 123

Expert Solution

Answer to Problem 81E

  123=2+3

Explanation of Solution

Given information:

Given expression is 123

Consider the expression as 123

Now,

  123=123×2+32+3=2+3(2)2(3)2=2+343=2+3

Therefore, simplest form of the expression 123=2+3

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