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If f(x)=(x-1)/(x+1),x!=-1, then show tha...

If `f(x)=(x-1)/(x+1),x!=-1,` then show that `f(f(x))=-1/x` provided that `x != 0,-1

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RD SHARMA ENGLISH-FUNCTION-All Questions
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  3. If f(x)=(x-1)/(x+1),x!=-1, then show that f(f(x))=-1/x provided that x...

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  4. Let f be a real function defined by f(x)=sqrt(x-1.) Find (fofof)(x)dot...

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  7. Find whether f: Z->Z given by f(x)=x^2+1 for all x in Z

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  8. Show that the function f: Z->Z defined by f(x)=x^2 for all x in Z , i...

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  9. Discuss the surjectivity of f: R->R given by f(x)=x^3+2 for all x i...

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  10. Discuss the surjectivity of f: R->R given by f(x)=x^2+2 for all x i...

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  11. Discuss the surjectivity of f: Z->Z given by f(x)=3x+2 for all x in...

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  17. Let A be the set of all 50 students of class X I I in a central scho...

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