1.y=x^2+10 2.x+y^2=4 3.x^2+4y^2-16=0
#2. y = 2-t, x = 4t-t^2 #3. This is the same as x^2/16 + y^2/4 = 1 so x = 4cos(t), y = 2sin(t) See what you can do for the 2nd possibilities
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