Answer to Question #236781 in Calculus for CCW

Question #236781

Polynomial Inequalities:

6) x^2 - 1 < 0

show number line test and answer in interval notation


1
Expert's answer
2021-09-21T11:38:24-0400

Let us solve the equality which is equivalent to The equation has two roots

Let us use number line test. For this draw the following intervals:







Since and we conclude that the solutions of the inequality belongs to the real interval

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