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Find the least value of the expressions ...

Find the least value of the expressions `2log_(10)x-log_(x)0.01`, where `xgt0`,`xne1`.

A

1

B

-1

C

2

D

`1//2`

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The correct Answer is:
D
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OBJECTIVE RD SHARMA ENGLISH-MAXIMA AND MINIMA -Chapter Test
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  10. The slope of the tangent to the curve y=e^x cosx is minimum at x= a,0 ...

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  11. The value of a for which the function f(x)={{:(tan^(-1)a -3x^2" , " ...

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  12. The minimum value of 27^(cos3x)81^(sin3x) is

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  13. If f(x)=(x^2-1)/(x^2+1) . For every real number x , then the minimum v...

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  14. f(x) = |x|+|x-1| +|x-2|, then which one of the following is not correc...

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  15. Write the maximum value of f(x)=(logx)/x , if it exists.

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  16. The function f(x)=2x^(3)-3x^(2)-12x-4 has

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  17. In (-4,4) the function f(x)=int(-10)^x (t^2-4)e^(-4t) dt , has

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  18. On [1,e] the greatest value of x^2logex, is

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  19. If f(x)=(x^2-1)/(x^2+1) . For every real number x , then the minimum v...

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  20. If f:R to R be defined by f(x) =2x + cosx, then f

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