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Let f (x) = ax+cos 2x +sin x+ cos x is ...

Let `f (x) = ax+cos 2x +sin x+ cos x ` is defined for `AA x in R and a in R` and is strictely increasing function. If the range of a is `[(m)/(n),oo),` then find the minimum vlaue of `(m- n).`

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VK JAISWAL ENGLISH-APPLICATION OF DERIVATIVES -EXERCISE (SUBJECTIVE TYPE PROBLEMS)
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