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anonymous
 5 years ago
How to find the two variables that make it differentiable everywhere?
(attached)
anonymous
 5 years ago
How to find the two variables that make it differentiable everywhere? (attached)

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myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0so a parabole to a line would mean a sharp turn right? so that means it wouldn't be differentiable at that point

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0did yu see the attachement?

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0yes we have a parabola and then a line that would mean a sharp turn so it wouldn't be differentiable at (2,13) for any value of a and b

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how did yu find that ?

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0we have f(x)=x^24x+1 if x<=2 so if x=2 then f(2)=13

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i mean, how do i find value of a and b ?

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0there is no a and b that would make this function differentiable at x=2 because there is a sharp turn since we have a parabola to a line if we were just trying to find a and b such f is continuous on the reals that would be possible

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ha! i figured it out hehe thanks for the hlep
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