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RD SHARMA-FUNCTION-Solved Examples And Exercises
- If f(x)=1/x and g(x)=0 are two real functions, show that fog is not...
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- Let f(x)=[x] and g(x)=|x| . Find (gof)(5/3) fog(5/3)
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- Let f(x)=[x] and g(x)=|x| . Find (gof)(5/3)- fog(5/3)
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- Let f(x)=[x] and g(x)=|x| . Find (f+2g)(-1)
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- Let fa n dg be real functions defined by f(x)=x/(x+1)a n dg(x)=1/(x+3)...
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- If f(x)=(3x-2)/(2x-3), prove that f(f(x)))=x for all x in R-{3/2} .
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- If f(x)=1/(2x+1),\ x!=-1/2,\ then show that f(f(x))=(2x+1)/(2x+3) , p...
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- If f(x) = x/(sqrt(1+x^2) then fofof(x)
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- Let f be a real function defined by f(x)=sqrt(x-1) . Find (fofof)(x...
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- If f(x)=(x-1)/(x+1),x!=-1, then show that f(f(x))=-1/x provided that x...
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- Find fog and gof , if f(x)=e^x , g(x)=(log)e x
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- Find fog and gof , if f(x)=x^2 , g(x)=cosx
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- Find fog and gof , if f(x)=|x| , g(x)=sinx
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- Find fog and gof , if f(x)=x+1 , g(x)=e^x
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- Find fog and gof , if f(x)=sin^(-1)x , g(x)=x^2
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- Find fog and gof , if f(x)=x+1 , g(x)=sinx
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- Find fog and gof , if f(x)=x+1 , g(x)=2x+3
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- Find fog and gof , if f(x)=c ,\ c in R , g(x)=sinx^2
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- Find fog and gof , if f(x)=x^2+2 , g(x)=1-1/(1-x)
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- Let f(x)=x^2+x+1 and g(x)=sinx . Show that fog!=gof .
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