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#1
C is the curve with the equation y=x^2-6x+6
L is the straight line with equation y=2x-9
L intersects C at two points A and B
calculate the exact length of AB
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2 years ago
#2
(Original post by yoplshelp)
C is the curve with the equation y=x^2-6x+6
L is the straight line with equation y=2x-9
L intersects C at two points A and B
calculate the exact length of AB
Make C equal to L and solve simultaneously to find where they cross. Then use Pythagoras.
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