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Vectors

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Joined:	21 Mar 2008
Post:	143

20 Apr 2008 09:19:29 IST

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hello over here

None

hey goiitians i have got a good idea over here

well iam planning to help all my friends with shortcut formulae in all subjects

u can lend a hand too

all u have to do is to post any shortcut formulae for any concept and specifying the subject u can brief about its applications.

u can rate the formulae u liked the most

get ready frenz lez start now

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Comments (4)

Amar Swamy

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Joined: 21 Mar 2008

Posts: 143

21 Apr 2008 08:38:48 IST

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c'mon guys plz reply
rates assured

Raghav

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Joined: 12 Apr 2007

Posts: 157

21 Apr 2008 09:08:32 IST

Like 1 people liked this

i have posted some of them yesterday

phani krishna

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Joined: 31 Dec 2007

Posts: 166

21 Apr 2008 09:13:19 IST

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consider the sequence k+kk+kkk+...........
nth term of the sequence=kkk..................k=k/9(10^n -1)
sum to n terms of the sequence=10k/81(10^n -1) -nk/9

phani krishna

Hot goIITian

Joined: 31 Dec 2007

Posts: 166

21 Apr 2008 09:13:38 IST

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plssssssss rate me

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