Let R be set of real numbers, the function f : R − → R , f ( x ) = lo g 2 lo g 2 x + 1 + x 2 , then range of f ( x ) is

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Let R be set of real numbers, the function $f : R^{-} \to R, f (x) = lo g_{2} lo g_{2} x + 1 + x^{2}$ , then range of $f (x)$ is

Answer:

Solution:

for $X < 0$ $0 < x + 1 + x^{2} < 1 so lo g_{2} (x + x + x^{2}) < 0$

Stream:JEESubject:MathematicsTopic:FunctionsSubtopic:Domain-Range

⏱ 2mℹ️ Source: QB

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