business meeting

  • 20Feb
  • 2013
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    KumaravelJunior Member
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    20-02-2013, 07:16 PM Düzenlendi #4
    yes great answer bro

    formula is
    (n(n+1)/2)=66
    n^2+n=132
    n^2+n-132=0
    (n-12)(n+11)=0
    n=12;n=-11
    ans is 12
    11 is not answer because -11 is not proper
    Kumaravel, proud to be a member of Vidyarthiplus.com (V+) - Online Students Community since Feb 2013.Treeswing
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    WR1334V.I.P Team
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    20-02-2013, 08:22 PM #5
    Smile Good!
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