Question

If f(x,y) is continuous at (a,b) then

Select one:

f(x,y) is continuous at (b,a)

None is correct

f(x,y) is differentiable at (a,b)

f(x,y) is may or may not differentiable at (a,b)

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Answer 1

Answer:

d) f(x,y) is may or may not differentiable at (a,b)