Hi, how do I find a tangent vector to the curve intersection of the surfaces [itex]2x^2+2y^2-z^2=25[/itex] and [itex]x^2+y^2=z^2[/itex] which has positive x-direction?(adsbygoogle = window.adsbygoogle || []).push({});

Thanks in advance.

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# Homework Help: Intersection of surfaces/tangent vector

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