Asked by JAYZ
Find all the points on the ellipse 3x^2-xy+y^2=64 that lie on the line y=3x
Answers
Answered by
bobpursley
put for y, 3x into the equation.
3x^2-x*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.
3x^2-x*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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