SOLUTION: Show that |(-1)^(n+1) - (-1)^(n+2)| = 2

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Question 999692: Show that |(-1)^(n+1) - (-1)^(n+2)| = 2
Answer by Alan3354(69443) About Me  (Show Source):
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Show that |(-1)^(n+1) - (-1)^(n+2)| = 2
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= |(-1)^n*((-1) - (-1)^2|
= |(-1)^n*(-1 - 1)|
= |(-1)^n*(-2)|
= 2