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JEE MATHEMATICS MCQ: LIMITS

1 Easy
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Analyzing +4 | -1
Let f:R→Rf: R \rightarrow R be a positive increasing function with lim⁡x→∞f(3x)f(x)=1\lim \limits_{{x \rightarrow \infty}} \frac{f(3 x)}{f(x)}=1. Then, lim⁡x→∞f(2x)f(x)=\lim \limits_{{x \rightarrow \infty}} \frac{f(2 x)}{f(x)}=
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Correct option: C
1
Option C (1) is correct because by using the Squeeze Theorem and the given condition lim⁡x→∞f(3x)f(x)=1\lim \limits_{{x \rightarrow \infty}} \frac{f(3 x)}{f(x)}=1, we can conclude that lim⁡x→∞f(2x)f(x)=1\lim \limits_{{x \rightarrow \infty}} \frac{f(2 x)}{f(x)}=1.

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