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Study Guide for Stewart's Single V...

8th Edition
Stewart + 3 others
ISBN: 9781305279148

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BuyFindarrow_forward

Study Guide for Stewart's Single V...

8th Edition
Stewart + 3 others
ISBN: 9781305279148
Textbook Problem

lim x 2 1 2 1 x 2 x = _____.

  1. a) 0
  2. b) 1 4
  3. c) 1 4
  4. d) does not exist

To determine

The value of limx2121x2x.

Explanation

Result used:

“When substitution of x=a in limxaf(x)g(x) results in 00, it may be that xa is a factor of both f(x) and g(x) and can be cancelled.”

Calculation:

Compute the value of limx2121x2x as follows.

limx2121x2x=limx2x22x2x=lim

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