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Let R be the set of real numbes. If f: R...

Let `R` be the set of real numbes. If `f: RvecR ;f(x)=x^2` and `g: RvecR ;g(x)=2x+1` . Then, find `foga n dgof` . Also, show that `fog!=gofdot`

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RD SHARMA ENGLISH-FUNCTION-All Questions
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  19. Let A={1,2} . Find all one-to-one function from A to A.

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