If and , then find the value of ? i got answer zero is it correct !

Last edited by mr fantastic; August 15th 2009 at 01:41 AM. Reason: Corrected the equation using latex

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Originally Posted by bluffmaster.roy.007 If a1 = 2 and an+1=(an - 1)2, then find the value of a17? i got answer zero is it correct ! If you show your working it will be easier to review your answer.

a1+1=a2=(2-1)^2 =1 a2+1=a3=(1-1)^2=0 so i thought it had a pattern and i think a17 must also be zero is my approach correct

Originally Posted by bluffmaster.roy.007 If and , then find the value of ? i got answer zero is it correct ! Yes (now that it's clear that the 2 in the expression was an exponent and not a multiplier).