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Submitted by humraj on Thu, 2007-10-18 20:48

What is the coefficient of x2 in the polynomial (1 - x)(1 + 2x)(1 - 3x)..................(1 + 14x)(1 - 15x)?

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Posted on: Thu, 2007-10-18 21:34 #1
The answer is -588Bachonko

The answer is -588

 

Bachonko dara maat
I don’t feel such higher level math questions are asked in CAT.
Posted on: Fri, 2007-10-19 13:53 #2
HUMRAJ!!!!!!!!!!!

@ couchpotatosenior

jo aadesh aap ka.............

can you explan????????????

Posted on: Fri, 2008-01-11 09:42 #3
How did you solve it ???

How did you solve it ???

Posted on: Sun, 2008-01-13 10:04 #4
solution

go through this link. It has the questions and you can find link to answers at bottom.

http://www.kalva.demon.co.uk/aime/aime04a.html

 

M Ravi Kumar Scientist-'B' ANURAG (DRDO) Hyderabad - 500 058. Ph.No:(mob) 94403-68836 

 

 

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Posted on: Wed, 2008-01-16 12:33 #5
saw the solution but its
saw the solution but its confusing to say the least. .
can some one explain a bit

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