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The function f(x)= tan x - x...

The function `f(x)= tan x - x`

A

Always increases

B

Always decreases

C

Never decreases

D

Sometimes increases and sometimes decreases

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-APPLICATIONS OF DERIVATIVES-COMPETITIVE THINKING
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  10. Where does f(x)=x+sqrt(1-x),0ltxlt1 decrease?

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  11. The function f(x)=sin^4x +cos ^4 x increases if

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  12. The values of a for which the function (a+2)x^3 - 3x^2 + 9ax-1 decreas...

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  13. If f(x)=(x)/(x^(2)+1) is increasing function, then the value of x lies...

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  18. If f(x)=x^3-10 x^2+200 x-10, then f(x) is

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  19. If f(x)=x^(3/2)(3x-10),xgeq0, then f(x) is increasing in .

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