Question

x^2-x+1=0 , find x^2007+x^-2007

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Answer 1

Step-by-step explanation:

x^2007+x^-2007

x^2007+(1/x)^2007

1

Answer 2

Answer:

Answer =0

Step-by-step explanation:

x/2-x=-1

So, x/2- 2x/2=-1

-x=-2

x=2

Then,

2/2007+2/-2007

0.0009+(-0.0009)

0.0009-0.0009

=0