If for x R, 1 3 x^ 2 -2 x+4 x^ 2 +2 x+4 3, then 9.3^ 2 x +6.3^ x +4 9.3^ 2 x -6.3^ x +4…
Mathematics · JEE Advanced · NTA Exams — Sets, Relations and Functions
If for \(x \in R, \frac{1}{3} \leq \frac{x^{2}-2 x+4}{x^{2}+2 x+4} \leq 3,\) then \(\frac{9.3^{2 x}+6.3^{x}+4}{9.3^{2 x}-6.3^{x}+4}\) lies b/w
- 1 and 2
- 1/3 and 3
- 0 and 4
- none of these
Answer
(B) 1/3 and 3
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