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Find C time d

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Find C time d

Postby nycmath » Fri Oct 02, 2026 6:38 pm

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Re: Find C time d

Postby Eigenvalue » Fri Oct 02, 2026 11:25 pm

c²=81
c=9 or c=-9

If c=9
9+d=15
d=6
cd=54

If c=-9
-9+d=15
d=24
cd=-216

Eigenvalue
 
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