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Popular >

inverse of f(x)=(1-2x)/(x+1)

Solution

inverse

f (x) = \frac{1 - 2 x}{x + 1}

Solution

\frac{1 - x}{x + 2}

Solution steps

y = \frac{1 - 2 x}{x + 1}

Replace

x

with

y

x = \frac{1 - 2 y}{y + 1}

Solve for

y, x = \frac{1 - 2 y}{y + 1}

\frac{1 - x}{x + 2}

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Frequently Asked Questions (FAQ)

What is the inverse of f(x)=(1-2x)/(x+1) ?
The inverse of f(x)=(1-2x)/(x+1) is (1-x)/(x+2)