Question 1
A circle has equation x2 + y2 - 12x + 14y = -68
The lines l1 and l2 are both tang...
Mathematics, 17.09.2021 07:20 brenyasanders6238
Question 1
A circle has equation x2 + y2 - 12x + 14y = -68
The lines l1 and l2 are both tangents to the circle, and they intersect at the origin.
Explain why the equation for l1 and l2 must each be in the form “y = mx”, where m is the gradient of the line
Answers: 2
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