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Let the function f: RR rarr RR be defin...

Let the function `f: RR rarr RR ` be defined by, `f(x) =x^(2),` . Find (i) `f^(-1) (25) , (ii) f^(-1) (5) , (iii) f^(-1) (-5)`

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The correct Answer is:
(i) `{-5,5}, (ii) `{sqrt5,-sqrt5}` ,(iii) ` phi`
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