. Find a vector function that represents the curve of intersection of the surfaces x^2+y^2 = 8and z = 3xy + 7:

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aruv | High School Teacher | (Level 2) Valedictorian

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Let x=t , substitute x in one equation of the curve



`y=sqrt(8-t^2)`      (ii)

Substitute x and y in another equation of the given curve.


Thus  `(t,sqrt(8-t^2),3tsqrt(8-t^2)+7)`  is the required vector function.

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