Question

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

Answer 1

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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