anonymous
  • anonymous
How to find the two variables that make it differentiable everywhere? (attached)
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
1 Attachment
myininaya
  • myininaya
so a parabole to a line would mean a sharp turn right? so that means it wouldn't be differentiable at that point
anonymous
  • anonymous
did yu see the attachement?

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myininaya
  • myininaya
yes 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
  • anonymous
how did yu find that ?
myininaya
  • myininaya
we have f(x)=x^2-4x+1 if x<=-2 so if x=-2 then f(-2)=13
anonymous
  • anonymous
i mean, how do i find value of a and b ?
myininaya
  • myininaya
there 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
  • anonymous
ha! i figured it out hehe thanks for the hlep
myininaya
  • myininaya
np

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