Let f:R-{3} R-{1} be defined by f(x)=x-2/x-3. Let g:R R be given as g(x)=2x-3. Then, the sum of all

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Let f:R-{3} R-{1} be defined by f(x)=x-2/x-3. Let g:R R be given as g(x)=2x-3. Then, the sum of all the values of x for which f^-1(x)+g^-1(x)=13/2 is equal to:
A. 3
B. 5
C. 2
D. 7
  1. MaThrick Masterji
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Sir, but x=3 is not included in the domain(given in the question). Please figure out this doubt

NW_Shrivastava