AQA Core 1 Jan 2012 Q7

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AQA Core 1 Jan 2012 exam question on equations of circles, including using the discriminant to find the tangents to a circle.
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Really pleased for you. I hope the rest of them go well too..

mathedup
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Watched all of the videos. Thanks a lot, this has helped me out greatly.

Seraphicarus
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Thanks a lot for your help. The exam was really easy, I'm really grateful for your help!

Seraphicarus
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I'm pleased it's been helpful. Good luck for tomorrow and make sure you let me know how you get on..

mathedup