Calculus 1
posted by JAYZ .
Find all the points on the ellipse 3x^2xy+y^2=64 that lie on the line y=3x

put for y, 3x into the equation.
3x^2x*3x + 9x^2=64
9x^2=64
x= + sqrt (64/9) you can reduce this
and y is +3sqrt (64/9) you can reduce this.
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