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f(x)=∣∣∣∣cosxx12sinxx22xtanxx1∣∣∣∣. If the value of π/4∫0(f′(x)x−f(x)x2)dx is ​A, then the value of [A], where [ ] denotes the greatest integer function, is​

Answer» f(x)=∣∣
∣
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cosxx12sinxx22xtanxx1∣∣
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. If the value of π/4∫0(f′(x)x−f(x)x2)dx is ​A, then the value of [A], where [ ] denotes the greatest integer function, is​


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