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If f(x)={x ,xi sr a t ion a l1-x ,xi si ...

If `f(x)={x ,xi sr a t ion a l1-x ,xi si r r a t ion a l ,t h e nf(f(x))` is `xAAx in R` (b) `{x , xi si r r a t ion a l1-x ,xi sr a t ion a l` `{x ,xi sr a t ion a l1-x ,xi si r r a t ion a l` (d) none of these

A

constant

B

1+x

C

x

D

None of these

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-REAL FUNCTIONS -Exercise
  1. Which of the following functions is not an are not an injective map(s)...

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  2. The maximum possible domain and thecorresponding range of f(x)=(-1)^x

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  3. If f(x)={x ,xi sr a t ion a l1-x ,xi si r r a t ion a l ,t h e nf(f(x)...

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  4. The function f(x)=(sin^4x+cos^4x)/(x+tanx) is :

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  5. The function f(x)=(sec^(4)x+cosec^(4)x)/(x^(3)+x^(4)cotx), is

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  6. Let f (x) =x and g (x) = |x| for all . Then the function satisfying ...

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  7. Let f : R to R be a function defined by f(x)=(|x|^(3)+|x|)/(1+x^(2))...

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  8. about to only mathematics

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  9. If f(x)=(ax^(2)+b)^(3), the function g such that f(g(x))=g(f(x)), is g...

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  10. If a function f:[2,oo)toR is defined by f(x)=x^(2)-4x+5, then the rang...

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  11. The domain of f(x)=ln(a x^3+(a+b)x^2+(b+c)x+c), where a >0, b^2-4ac=0,...

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  12. If f(x)=sin(logx) then f(xy)+f(x/y)-2f(x)cos(logy)= (A) cos(logx) ...

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  13. The domain of sin^(-1)[log(3)((x)/(3))] is :

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  14. The function f(x)=(sec^(-1)x)/(sqrt(x-[x])) where [x] denotes the gre...

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  15. The domain of definition of the function f(x)=3sqrt((2x+1)/(x^(2)-10x...

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  16. Let g(x) be a function defined on[-1,1]dot If the area of the equilate...

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  17. The domain of definition of the function f(x)=sin^(-1)((x-3)/(2))-l...

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  18. Find the domain of the function: f(x)=sin^(-1)(|x-1|-2)

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  19. If f : R -> R are defined by f(x) = x - [x] and g(x) = [x] for x in R,...

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  20. The domain of definition f(x)=sqrt(log(0.4) ((x-1)/(x+5)))xx1/(x^2-36...

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