Inverse Function Calculation (Jee Mains) | ExamDuo
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Functions
Medium
Inverse Function Calculation
If f : [1, ∞) → [2, ∞) is given by f(x) = x +
1
x
,then f⁻¹(x) equals
SELECT ONE OPTION
A
x + √
x² - 4
2
B
x
1 + x²
C
x - √
x² - 4
2
D
1 + √
x² – 4
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