7. Which statement is NOT true? If x2 = 1, then x = 1. x2 = 1 if and only if x = 1 or x = -1. If x = -1, then x2 = 1 If x = 1, then x2 = 1..

asked Jul 8, 2021 137k views

3 votes

7.

Which statement is NOT true?
If x2 = 1, then x = 1.
x2 = 1 if and only if x = 1 or x = -1.
If x = -1, then x2 = 1
If x = 1, then x2 = 1..

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3 votes

Answer:

A or 1st option

Explanation:

The reason is the 2nd option.

if x^2 =1 , x can be 1 or -1

Wdg answered Jul 13, 2021

by Wdg

4.7k points

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