i need help with Analysis please!

how do you prove that a sequence (x_{n}) diverges to infinity if and only if (-x_{n}) diverges to -infinity??

it seems like quite a simple question but i cant think of a rigorous enough proof. THANKS!

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- November 9th 2012, 09:25 AMHelpMePlease28Analysis Help required
i need help with Analysis please!

how do you prove that a sequence (x_{n}) diverges to infinity if and only if (-x_{n}) diverges to -infinity??

it seems like quite a simple question but i cant think of a rigorous enough proof. THANKS! - November 9th 2012, 09:36 AMPlatoRe: Analysis Help required