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Single Variable Calculus

8th Edition
James Stewart
ISBN: 9781305266636

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BuyFindarrow_forward

Single Variable Calculus

8th Edition
James Stewart
ISBN: 9781305266636
Textbook Problem

Determine whether the statement is true or false. If it is true, explain why. If it is false, explain why or give an example that disproves the statement.

6. If x is any real number, then x 2 = x .

To determine
Whether the statement, if x is any real number, then x2=x is true or false.

Explanation

Recall the fact that, for any real number say x, x2=±x.

So, the given statement is not true.

The below example disproves the given statement.

Let x=4.

42=16=

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