business meeting

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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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