Question

find the number of integers "n" satifiying the inequality (n² -2)(n²-20) < 0​

Answer 1

Answer:

4

Step-by-step explanation:

First we factor the left side of the equation into a binomial. We get

(n² - 2)(n² - 20) = 0

Setting our factors to 0 we get

n² - 2 = 0 or n² - 20 = 0

We see that only 4 numbers fit this.

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