I'm trying to understand how to find the axis of a helix but so far I seem to be hitting a blank. How for instance would I go about finding the axis of the helix(adsbygoogle = window.adsbygoogle || []).push({}); r(t)=(e^t)costi+(e^t)sin(t)j+(e^t)k? I would be very gratefull for any and all assistance.

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# General helix

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