Prove that the rational function y= (ax + b) : (x-a)

is its own inverse.

Please help me to solve this question, thanks.

(Thinking)

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- September 3rd 2011, 12:36 AMtosucceed999Prove that the rational function...
Prove that the rational function y= (ax + b) : (x-a)

is its own inverse.

Please help me to solve this question, thanks.

(Thinking) - September 3rd 2011, 12:38 AMmr fantasticRe: Prove that the rational function...