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Question

limh0f(2h+2+h2)f(2)f(hh2+1)f(1),(given that f(2)=6 and f(1)=4) is equal to
  1. Is equal to  
  2. Is equal to  
  3. Is equal to 3
  4. Does not exist


Solution

The correct option is C Is equal to 3
limh0{f(2h+2+h2)f(2)(2h+2+h2)2.((hh2+1)1)f(hh2+1)f(1)×2h+h2(hh2)}=f(2)f(1).2=6.24=3

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