What is the answer to solvefor x,f=-k/(x^2) ?

The answer to solvefor x,f=-k/(x^2) is x=isqrt(k/f),x=-isqrt(k/f);\quad f\ne 0

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solvefor x,f=-k/(x^2)

solve for

x, f = - \frac{k}{x ^{2}}

x = i \frac{k}{f}, x = - i \frac{k}{f}; f \neq = 0

Solution steps

f = - \frac{k}{x ^{2}}

Multiply both sides by

x^{2}

f x^{2} = - k

Solve

f x^{2} = - k : x = i \frac{k}{f}, x = - i \frac{k}{f}; f \neq = 0

x = i \frac{k}{f}, x = - i \frac{k}{f}; f \neq = 0

0.2 = \frac{x ^{2}}{45 - x}

\frac{3}{x} = \frac{9}{4 x} + 3

\frac{4}{x} = \frac{7}{4 x} + 3

\frac{4}{8 - x} = \frac{3}{4}

\frac{3 x}{2 x + 3} = \frac{5}{2 x + 3}

What is the answer to solvefor x,f=-k/(x^2) ?
The answer to solvefor x,f=-k/(x^2) is x=isqrt(k/f),x=-isqrt(k/f);\quad f\ne 0