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  • May 7, 2018 at 8:53 am #21422
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    When two circles ( C1,r1) ad ( C2,r2 ) cut, prove that r1-r2 < d < r1+r2 where d = C1C2

    ( Challenges and Thrills, Chapter 4, Ex.4.1 sum 4 )

    May 7, 2018 at 2:56 pm #21429
    swastik pramanik
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    May 7, 2018 at 2:57 pm #21430
    swastik pramanik
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    May 7, 2018 at 3:00 pm #21432
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    Thank you.

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