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Mathematics 21 Online
OpenStudy (anonymous):

(1)/2sqrt(2x^3) how do i integrate this

hartnn (hartnn):

do you know integration formula for x^n ?

OpenStudy (anonymous):

yes i know

hartnn (hartnn):

then you just need to find 'n' for (1)/2sqrt(2x^3)

OpenStudy (anonymous):

sorry man i jst want to know is it free or some harges are applied when some one asked a qestion

hartnn (hartnn):

this site is absolutely free :)

OpenStudy (anonymous):

thanks dude

hartnn (hartnn):

we don't help for money, we help because we like to :) so, your question, (1)/2sqrt(2x^3) , can you write it in the form x^n ?

OpenStudy (anonymous):

Suppose that 10 cards, of which 7 are red and 3 are green, are placed at random into 10 envelopes, of which 7 are red and 3 are green. Determine the probability that exactly k envelopes will contain a card with a matching color for k= 0, 1, 2, ... , 10. (You can do this with each case individually or try to derive a formula written in terms of k.)

OpenStudy (anonymous):

yaa i slve that can help me in probability

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