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If the function f:[1,∞)→[1,∞) is defined...

If the function `f:[1,∞)→[1,∞)` is defined by `f(x)=2 ^(x(x-1))` then `f^-1(x)` is

Text Solution

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The correct Answer is:
`f^(-1)(x)=(1+sqrt(1+4log_(2)x))/2, x gt 0`
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