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Vijay Singh chauhan Asked a Question
February 23, 2021 10:08 ampts 30 pts
(x-y fx,y) =}4y When (x, y) * (0,0) o, when (x,y) = (0,0) then the correct answer in the following: (a)f x, y) is differentiable at (0,0) (6) fC0,0)=1 (C)Jy(0,0) =1 (d) None of these O a O b O C O d Iff)=} wheny *0 then ,whenx = y = 0 (a) fx,y) is continuous at origin (b) fx, y) is discontinuous at origin (c)fx,y) is Removable discontinuous (d) None of these Oa Ob O O d
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  • Sonu saini
    for first question option (b) is correct
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  • Sonu saini
    f(x,y) is discontinues at origin(b) is correct
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  • Satpal singh
    see for second
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  • Satpal singh thankyou
    for 1st option b is correct when degree of numerator is greater than by 1. so short trick is that f is not differentiable at (0,0)
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