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Chapter 2: Q. 437 (page 208)

In the following exercises, solve

(a) x=3

(b) y=-1

(c) z=0

Short Answer

Expert verified

The required solution is

(a) x=卤3

(b) No solution

(c)z=0

Step by step solution

01

Part (a) Step 1: Given information

x=3

02

Step 2:Calculation

The equivalent equations are

x=-3orx=3鈬�x=卤3

03

Part (b) Step 1 : Given information

y=-1

04

Part (b)  Step 2: Calculation

No solution, since an absolute value is always positive.

05

Part (c) Step 1: Given information

z=0

06

Part (c) Step 2: Calculation

z=0鈬�z=-0orz=0Since-0=0z=0

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