Qualification > Math

C2 Coordinates Geometry!!

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RomanianGuy:
Hey!

I find this topic difficult for a reason :/

I've got a question which says:

"The circle C has centre (-3,2) and passes through the point (2,1)

a) find an equation for C
b) show that the point with co-ordinates (-4,7) lies of C

c) Find an equation for the tangent to C at the point (-4,7). Give your answer  in the form ax+by+c = 0, where a, b and c are integers.


PLEASE HELP GUYS!!!! IT DROVE ME MAD WHILE TRYIN TO ANSWER IT! :(

astarmathsandphysics:
here

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