\[
f(x)=\int_{2}^{e^{x}}\left(9 \cos ^{2}(2 \ln t)-25 \cos (2 \ln t)+17\right) d t
\]
is an incr... VIDEO
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f(x)=\int_{2}^{e^{x}}\left(9 \cos ^{2}(2 \ln t)-25 \cos (2 \ln t)+17\right) d t
\]
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Here [·] denotes greatest integer function
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