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Find the inverse of the function: f(x)=(...

Find the inverse of the function: `f(x)=(e^(x)-e^(-x))/(e^(x)+e^(-x))+2`

A

`log((x-1)/(x+1))^(-2)`

B

`log((x-2)/(x-1))^(1//2)`

C

`log((x)/(2-x))^(1//2)`

D

`log((x-1)/(3-x))^(1//2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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OBJECTIVE RD SHARMA ENGLISH-FUNCTIONS-Chapter Test
  1. If f: (e,oo) rarr R & f(x)=log[log (logx)], then f is - (a)f is one-...

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  2. Let f: R-{n}->R be a function defined by f(x)=(x-m)/(x-n) , where m!=n...

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  3. Find the inverse of the function: f(x)=(e^(x)-e^(-x))/(e^(x)+e^(-x))+2

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  4. Find the inverse of the function :y=(1 0^x-1 0^(-x))/(1 0^x+1 0^(-x))+...

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  5. Let f(x+(1)/(x))=x^(2)+(1)/(x^(2)),(x ne 0) then f(x) equals

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  6. Let f : R rarr R, g : R rarr R be two functions given by f(x) = 2x - 3...

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  7. If g(x)=1+sqrtx and f(g(x))=3+2sqrtx+x then f(x) is equal to

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  8. If f(x)=(1-x)/(1+x), x ne 0, -1 and alpha=f(f(x))+f(f((1)/(x))), then

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  9. Let f:R to R be a function defined by f(x)=(x^(2)-8)/(x^(2)+2). Then f...

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  10. If f:(-oo,2]to (-oo,4] where f(x), then f ^(-1) (x) is given by :

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  11. Find the inverse of the function, (assuming onto). " " ...

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  12. f: R->R is defined by f(x)=(e^(x^2)-e^(-x^2))/(e^(x^2)+e^(-x^2)) is :

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  13. If f(x)=log((1+x)/(1-x))a n dt h e nf((2x)/(1+x^2)) is equal to {f(x)...

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  14. If f(x)=(2^x+2^(-x))/2 , then f(x+y)f(x-y) is equals to 1/2{f(2x)+f(2y...

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  15. The function f:R to R given by f(x)=x^(2)+x is

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  16. Let f:R to R and g:R to R be given by f(x)=3x^(2)+2 and g(x)=3x-1 for ...

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  17. The function of f:R to R, defined by f(x)=[x], where [x] denotes the g...

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  18. Let f(x)=x,g(x)=1/x and h(x)=f(x)g(x) . Then h(x)=1 for a.x in R b. x...

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  19. If the functions of f and g are defined by f(x)=3x-4 and g(x)=2+3x the...

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  20. If f(x)=(sin^(4)x+cos^(2)x)/(sin^(2)x+cos^(4)x)"for "x in R, then f(20...

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