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Expert Member
Don't use calculator
Find the value of 2006^2 - 2007 * 2005 + 2008 * 2004 - 2009 * 2003
-- James.
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Junior Member
Re: Don't use calculator
Without using calculator I got the result as 6. Kindly update whether my finding is right
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Expert Member
Re: Don't use calculator
Sachin,
Actually solution is more important for this question. So provide us your solution.
-- James
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Contributing Member
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Junior Member
Re: Don't use calculator
a = 2006
Expression = a^2 -(a+1)(a-1)+(a+2)(a-2)-(a+3)(a-3)
Upon simplification you get 6
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Junior Member
Re: Don't use calculator
I got 5.i may be correct.but tell the actual way of doing it.
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