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[Post New]22 Apr 2008 23:22:49 IST
    Subject: problem in hp!!!!
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rishipratimm (501)

Blazing goIITian

Olaaa!! Perrrfect answer. 79  [132 rates]
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If  a1,a2,a3........an are in HP,then find the value of the expression a1a2+a2a3.....+an-1an
 
a)(n-1) a1an
 
b)n(a1 - an)
 
c)(n-1)(a1-an)
 
d)na1an
 
 
 
"Many of the things you can count,dont count....
Many of the things you cant count,really do count...."-Albert Einstein

"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them"-William Bragg

"An inexplicable fact is infinitely preferable to an incomprehensible mystery"-F. Soddy


RISHIPRATIM MAZUMDAR
NIT DURGAPUR
1ST YEAR,ELECTRONICS AND COMMUNICATIONS
    
 

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