GracieMaeB
27.02.2020 •
Mathematics
Consider the points A(4,3), B(3,-2) and C(9,2).
a Show that angle BAC is a right angle.
b Hence find the equation of the circle through A, B and C.
c Find the equation of the tangent to the circle at B. Give your answer in the form ax + by + c = 0,
where a, b and care integers.
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