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If f(x)=sin^2x+sin^2(x+pi/3)+cosxcos(x+p...

If `f(x)=sin^2x+sin^2(x+pi/3)+cosxcos(x+pi/3)a n dg(5/4)=1,` then `(gof)(x)` is ____________

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RD SHARMA ENGLISH-FUNCTION-All Questions
  1. If f: Rvec is defined by f(x)=2x+7. Prove that f is a bijection. Also,...

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  2. If f:(-pi/2,pi/2)->R and g:[-1,1]->R be defined as f(x)=tanx a...

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  3. If f(x)=sin^2x+sin^2(x+pi/3)+cosxcos(x+pi/3)a n dg(5/4)=1, then (gof)...

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  4. Let f,g: R-R be two functions defined as f(x)=|x|+x and g(x)=|x|-x , f...

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  5. Let A={a,b,c,d} and f :A->A be given by f={(a,b),(b,d),(c,a),(d,c)} , ...

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  6. Let f={(3,1),(9,3),(12 ,4)} and g={(1,3),(3,3),(4,9),(5,9)}dot Show th...

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  7. If F :[1,oo)->[2,oo) is given by f(x)=x+1/x ,t h e n \ f^(-1)(x) equal...

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  8. Let f: RrarrR and g: RrarrR be two functions such that fog(x)=sinx^2...

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  9. Let R be the set of real numbes. If f: RvecR ;f(x)=x^2 and g: RvecR ;g...

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  10. If f(x)=-4-(x-7)^3 , write f^(-1)(x)dot

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  11. If f:{5,6}vec{2,3}a n dg:{2,3},vec{5,6} are given by f={(5,2),(6,3)} a...

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  12. If a function g={(1,1),(2,3),(3,5),(4,7)} is described by g(x)=alphax+...

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  13. Show that f: R-[0]->R-[0] given by f(x)=3/x is invertible and it is in...

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  14. Let A={1,2,..., n} and B={a , b }. Then number of surjections from A...

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  15. If f: Rvec (-1,1) is defined by f(x)=-(x|x|)/(1+x^2),t h e nf^(-1)(x...

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  16. Let f: ZrarrZ be defined by f(n)=3n for all n in Z and g: ZrarrZ be d...

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  17. Let A={x in R :0lt=xlt=1}dot If f: A->A is defined by f(x)={(x ,, if ...

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  18. Let A=[-1,1]dot Then, discuss whether the following functions from A t...

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  19. Let R be a relation on the set A of ordered pairs of positive intege...

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  20. Let A be a finite set. If f: AvecA is an onto function, show that f is...

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