n ^2 + 1/n^2=4 find the value of n -1/n​

Question

n ^2 + 1/n^2=4 find the value of n -1/n​

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Kylie 2 months 2021-08-13T08:56:47+00:00 1 Answer 0 views 0

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    2021-08-13T08:57:51+00:00

    Answer:

    n^2 + 1 = 4n^2

    n^ 2 – 4n^2 = -1

    – 3n^2 = -1

    n^2 = -1 / -3

    n = (√ 1) / √3

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