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If a is quadratic +a+1=0, try to find the value of a to the 1979 power +a to the 1980 power +a to the 1981 power +.+a to the 2010 power +a to the 2011 power. If the second power of a +a+1=0, try to find the value of the 1979 power of a +a 1980 power +a 1981 power +.+a 2010 power +a 2011 power.
A 1979+a 1980+a 1981+.+a 2010+a 2011
=1979 Power of a (1+a+a2)+2009 power of...+a (1+a+a2)
=11×0
=0;
If there's anything you do n' t understand,
A 1979+a 1980+a 1981+.+a 2010+a 2011
=1979 Power of a (1+a+a2)+2009 power of...+a (1+a+a2)
=11×0
=0;
If you have any questions you can ask,
(1-2 To the second power)(one of 1-3 to the second power)... (One of the second power of 1-2010)(one of the second power of 1-2011)
0
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