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Question
If \[y = f\left( x \right) = \frac{ax - b}{bx - a}\] , show that x = f(y).
Solution
Given:
⇒ y( bx -a) = ax – b
⇒ xyb – ay = ax – b
⇒ xyb – ax = ay – b
⇒ x(by – a) = ay – b
Hence proved.
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