mattjoley mattjoley

13-06-2020
Mathematics

contestada

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..

Respuesta :

Jinduja03 Jinduja03

13-06-2020

Answer:

A or 1st option

Step-by-step explanation:

The reason is the 2nd option.

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

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