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Popular Functions >

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

Solution

inverse

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

Solution

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

Solution steps

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

Replace

x

with

y

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

Solve for

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

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

Graph

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Frequently Asked Questions (FAQ)

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