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The least value of the expression 2(log)...

The least value of the expression `2(log)_(10)x-(log)_x(0. 01),` for `x >1,` is (1980, 2M) (a) 10 (b) 2 (c) `-0. 01` (d) None of these

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solve for x:2log_(10)x-log_(x)(0.01)=5

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