4/n+7-7/n-2

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Solution for 4/n+7-7/n-2 equation:


D( n )

n = 0

n = 0

n = 0

n in (-oo:0) U (0:+oo)

4/n-(7/n)-2+7 = 0

4/n-7*n^-1-2+7 = 0

-3*n^-1 = -5 // : -3

n^-1 = 5/3

-1 < 0

1/(n^1) = 5/3 // * n^1

1 = 5/3*n^1 // : 5/3

3/5 = n^1

n = 3/5

n = 3/5

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