SOLUTION: solve by using the quadratics formula 15nSQUARED-3=4n
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Question 81289
:
solve by using the quadratics formula
15nSQUARED-3=4n
Answer by
stanbon(48510)
(
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):
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15nSQUARED-3=4n
---------
15n^2-4n-3 = 0
n = [4+-sqrt(4^2-4*15*-3)]/30
n = [4+-sqrt(180)]/30
n = [4+-6sqrt5]/30
n = (2/15) +(1/5)sqrt5 or n = (2/15)-(1/5)sqrt5
=============
Cheers,
Stan H.