IfX+1/x =1, then x^2009+1/x^2009 equals ti ? .
Answer:
x²⁰⁰⁹+1/x²⁰⁰⁹
(x+1/x)²⁰⁰⁹
we know
x+1/x=1
(1)²⁰⁰⁹=1
therefore, 1 is your answer.
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Answer:
x²⁰⁰⁹+1/x²⁰⁰⁹
(x+1/x)²⁰⁰⁹
we know
x+1/x=1
(1)²⁰⁰⁹=1
therefore, 1 is your answer.