Precalculus Enhanced with Graphing Utilities
Precalculus Enhanced with Graphing Utilities
6th Edition
ISBN: 9780321795465
Author: Michael Sullivan, Michael III Sullivan
Publisher: PEARSON
Question
Book Icon
Chapter A.5, Problem 43AYU
To determine

To find: Evaluate the rational expression.

Expert Solution & Answer
Check Mark

Answer to Problem 43AYU

2 15

Explanation of Solution

Given:

The Lensmaker’s Equation,

1 f  = ( n  1 )[ 1 R 1  +  1 R 2 ]

n = 1.5

R 1  = 0.1

R 2  = 0.2

Calculation:

1 f  = ( n  1 )[ 1 R 1  +  1 R 2 ]

f =  R 1  .  R 2 ( n  1 )( R 1  +  R 2 )

f =  ( 0.1 )( 0.2 ) ( 1.5  1 )( 0.1 + 0.2 )  =  ( 0.1 )( 0.2 ) ( 1.5  1 )( 0.1 + 0.2 )  =  2 15

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