Johan14th
  • Johan14th
If y=xy+(x^2)+1 then when x= -1 (dy/dx) is? Having a bit of trouble solving for the implicit derivative. Thanks :)
Calculus1
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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caozeyuan
  • caozeyuan
do derivative on both sides, solve the equation with y' being the iunknow treat x as known
caozeyuan
  • caozeyuan
wait, no! plug x=-1 in first!!
caozeyuan
  • caozeyuan
so\[y=-y+2\]

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caozeyuan
  • caozeyuan
y'=-y',y'=0
Johan14th
  • Johan14th
Hmm... Can you clarify how you did get the last step? Y'=-y', y'=0
caozeyuan
  • caozeyuan
well, if you have A=B+C, A' would be (B+C)'
caozeyuan
  • caozeyuan
oh, you mean the last step, sorry, thats just algebra, nothing fancy, add y' on both sides and RHS is 0
Johan14th
  • Johan14th
Okay i can see that now.
Johan14th
  • Johan14th
Thank you I know how to solve it now :)

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