Show that x 2 + y 2 6x + 2y = 6 can be written in
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Show that x2 + y2 − 6x + 2y = 6 can be written in the form (x − a)2 + (y − b)2 = r2, where a, b and r are constants to be found. Hence, write down the coordinates of the centre of the circle and also the radius of the circle.
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To write the equation in the form x a2 y b2 r2 we need to complete the square for both x and y ter...View the full answer
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Related Book For 
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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