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1 Unit 1: Pure Mathematics A

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Question 191

The circles x2+y2=9x^2+y^2=9x2+y2=9 and (x−7)2+y2=16(x-7)^2+y^2=16(x−7)2+y2=16 touch.

Show that they touch externally.

[3]
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1 Unit 1: Pure Mathematics A Questions

  1. A Level
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