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If the function f(x)=2tanx+(2a+1)(log)e|...

If the function `f(x)=2tanx+(2a+1)(log)_e|secx|+(a-2)x` is increasing on `R` , then (a) `a in (1//2,\ oo)` (b) `a in (-1//2,\ 1//2)` (c) `a=1//2` (d) `a in R`

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RD SHARMA ENGLISH-INCREASING AND DECREASING FUNCTION -All Questions
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  3. If the function f(x)=2tanx+(2a+1)(log)e|secx|+(a-2)x is increasing on ...

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  11. If f(x)=k x^3-9x^2+9x+3 monotonically increasing in R , then (a) k<3 ...

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  12. f(x)=2x-tan^(-1)x-log{x+sqrt(x^2+1)} is monotonically increasing when ...

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  13. Function f(x)=|x|-|x-1| is monotonically increasing when (a) x<0 (b) ...

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  15. In the interval (1,\ 2) , function f(x)=2|x-1|+3|x-2| is (a) increasin...

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  19. Function f(x)=a^x is increasing on R , if (a) a >0 (b) a<0 (c) a<1 ...

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  20. Function f(x)=(log)a x is increasing on R , if (a) a<0 (b) a >1 (c) ...

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