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If f(x)=(x)/(sqrt(1+x^(2))), then (fofof...

If `f(x)=(x)/(sqrt(1+x^(2)))`, then `(fofof)(x)=`

A

`(x)/(sqrt(1+x^(2)))`

B

`(x)/(sqrt(1+2x^(2)))`

C

`(x)/(sqrt(1+3x^(2)))`

D

none

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DIPTI PUBLICATION ( AP EAMET)-FUNCTIONS-EXERCISE 1A(FUNCTIONS)
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  3. If f(x)=(x)/(sqrt(1+x^(2))), then (fofof)(x)=

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  9. If f:A to B is a bijective function then prove that (ii) f^(-1) of =...

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  10. To have inverse for the funciton f, f is

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  11. f:RrarrR is a function defined by f(x)=10x-7. If g=f^(-1) then g(x)=

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  12. If f:R rarrR is defined by f(x)=(2x+1)/(3) then f^(-1)(x)=

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  14. If f:R-{5//2}rarr R-{-1} defined by f(x)=(2x+3)/(5-2x) then f^(-1)(x)=

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  15. If f:R rarr R^(+) such that f(x)=(1//3)^(x), then f^(-1)(x)=

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  16. If f:[1, oo)rarr[2, oo) is given by f(x)=x+(1)/(x) then f^(-1)(x)=

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  17. If f:R^(+)rarrR such that f(x)=log(3)x then f^(-1)(x)=

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  18. If f:{1, 2, 3,……}rarr{0, pm1, pm2, …..} is defined by f(x)={{:(n//2,"...

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  19. The inverse of f(x)=(10^x-10^(-x))/(10^x+10^(-x))=

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  20. Let f:DtoR, where D is the domain of f. Find the inverse of f if it ex...

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