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円と円の外接線の求め方

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 円と円の外接線の求め方

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Sho Iizuka

June 14, 2014
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  1. ఺RͷҐஔΛಘΔʹ͸
 ఺QΛ࢝఺ͱͯ͠ɺQˠQͷ୯ҐϕΫτϧΛ
 ௕͞U͚ͩ৳͹ͤ͹ྑ͍ q = p1 + t · p1

    p2 d = p1 + r1d r2 r1 · p1 p2 d = p1 (r2 r1 ) r2 r1 + r1 (p1 p2 ) r2 r1 = p1 r2 p2 r1 r2 r1