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1. |
The function \[f(x)=\frac{\text{ln}(\pi +x)}{\text{ln}(e+x)}\] is [IIT 1995] |
A. | Increasing on \[\left[ 0,\,\infty\right)\] |
B. | Decreasing on \[\left[ 0,\,\infty\right)\] |
C. | Decreasing on \[\left[ 0,\frac{\pi }{e} \right)\]and increasing on \[\left[ \frac{\pi }{e},\infty\right)\] |
D. | Increasing on \[\left[ 0,\frac{\pi }{e} \right)\] and decreasing on \[\left[ \frac{\pi }{e},\infty\right)\] |
Answer» C. Decreasing on \[\left[ 0,\frac{\pi }{e} \right)\]and increasing on \[\left[ \frac{\pi }{e},\infty\right)\] | |