jaersyn
someone told me I can rewrite ''this as this''
*will draw after posting*



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jaersyn
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dw:1349581849786:dw

jaersyn
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dw:1349582048570:dw

jaersyn
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little mistake

Arindam
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dw:1349582004369:dw

Arindam
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oh.ho..after your correction now it's impossible

jaersyn
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the equation i gave was the complete square of 4u^2 + u +1 so.. if you can make it look like that from there?

jaersyn
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i still don't get where the 8 and sqrt(15) came to be

Arindam
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the 64 when goes into the suare root sign gives you 8 and the 15 going under the square root sign gives you sqrt(15).

jaersyn
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wow i never knew about that move...you can distribute into a squared term by distributing the square root huh wow

jaersyn
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i need to take algebra again

Arindam
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yes..you see it comes from the elementary fact that a^2*(b^2) = (ab)^2.

jaersyn
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still doesn't explain how some guy told me that answer with 15/64