Sk1ydolRacede
Sk1ydolRacede
01-04-2017
Mathematics
contestada
Solve for n.
n^2–15n–16=0
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Аноним
Аноним
01-04-2017
n = {15 +- root of ( 225 + 64) } / 2
= {15 +- root of 289 } / 24
= 15 + 17 } / 2 or { 15 -17 } /2
= 16 or -1
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