I need a step by step tutorial on this basically i have no background on how to solve this. Would really appreciate the help.
Find the equation of the tangent line and normal line to the curve 2x^2+y^2=4 at (1, -sqrt(2)).

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2x^2+y^2=4
Wouldn't you first have to put this into the form y = ???

I have to isolate y first?

Okay isolating y
y^2=-2x^2 +4
y = Square root (-2x^2 +4 )

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