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Math Help - find value

  1. #1
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    find value

    if f(x)*f(y)+2=f(x)+f(y)+f(xy) for every x belonging to R and f(1)=f(first differential)(1)=2 then f(2) is equal to

    i treated y as constant and differentiated with respect to x

    should i follow the basic method of differentiation by using limits
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  2. #2
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    Re: find value

    I wish that made any sense at all. Can you learn just enough LaTeX to communicate better? Perhaps the actual text to the problem statement?
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  3. #3
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    Re: find value

    Quote Originally Posted by prasum View Post
    if f(x)*f(y)+2=f(x)+f(y)+f(xy) for every x belonging to R and f(1)=f(first differential)(1)=2 then f(2) is equal to
    i treated y as constant and differentiated with respect to x
    should i follow the basic method of differentiation by using limits
    As the above reply indicates your refusal to learn LaTeX makes many of us not take your posting seriously.
    Why not learn to post in symbols? You can use LaTeX tags
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