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d2jsp Forums > Off-Topic > General Chat > Homework Help > Expanding A Fractional Exponent Binomial?
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#1
Jun 11 2013 09:08pm
trying to expand (x + deltax) ^ 1/2

not sure how to & can't find a good explanation online
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#2
Jun 11 2013 09:49pm
Quote (Duckling @ 12 Jun 2013 03:08)
trying to expand (x + deltax) ^ 1/2
not sure how to & can't find a good explanation online


that what you are looking for: http://www.globalshiksha.com/content/binomial-expansion-of-a-square-root ?
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#3
Jun 12 2013 01:17pm
generally a binomial is expanded like: (1 + x)^n = 1 + nx to first order.

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