stupid solution
this is how i can make maths at least tolerable...
posted by zcer at 6:10 PM
Wednesday, March 08, 2006
About Me
- Name: zcer
me? who is this "me"? there is no "me". thoughts flow through my head, therefore thoughts exist. What you read here are mere thoughts. To be considered independently, but also rationally, by your own head.
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4 Comments:
Wow, great skill....really flattered me.....shud try to use it often
Woow...is this called the "GUO LIANG PRINCIPLE" hahaha...
T=a+(n-1)d
t2+t3=22
a+d+a+2d
=2a+3d=22 (2)
a+3d=17 (1)
1*2= 2a+6d=34, hence
a=-3d+17 (3)
substitute (3) into (2)
=-6d+34+3d=22
-3d=-12
Therefore d=4
a=t4-3d=17-12=5
t11=5+10*4
=45 !!!!
By: CCFE
hmm...... wow! did you figure out this yourself? your blog rocks!
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