SOLUTION: how to calculate d^y/dx^2 when x=at^2,y=2at. I dont understand the last part of this math. need explanation

Algebra ->  Rational-functions -> SOLUTION: how to calculate d^y/dx^2 when x=at^2,y=2at. I dont understand the last part of this math. need explanation       Log On


   

Question 1070736: how to calculate d^y/dx^2 when x=at^2,y=2at. I dont understand the last part of this math. need explanation

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
calculate d^y/dx^2 ?
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If you mean dy^2/dx^2:
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dx/dt = 2at
d^2x/dt^2 = 2a
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y' = 2a
y" = 0
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--> 0