Mathematics, 16.09.2019 01:30 dereklilgoat
Use implicit differentiation to find an equation of the tangent line to the curve at the given point. 7x2 + xy + 7y2 = 15, (1, 1) (ellipse)
Answers: 1
.
![\dfrac{\mathrm d}{\mathrm dx}[7x^2+xy+7y^2]=\dfrac{\mathrm d}{\mathrm dx}[15]](/tpl/images/0231/7432/5c6a3.png)
is then 
, so the tangent to 
has slope
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Use implicit differentiation to find an equation of the tangent line to the curve at the given point...
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