ajanae97
08.01.2020 •
Mathematics
Find the general solution to the homogeneous differential equation:
(d2y/dt2)+10(dy/dt)+24y=0
the solution can be written in the form:
y=c1er1t+c2er2t
with r1
using this form, r1= ? and r2 = ?
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Ответ:
Step-by-step explanation:
and are the eingenvalues of the equation, that is
the values of r when
Using r = (dy/dt).
They are
r2 is larger than r1, so
Ответ:
remember, if the legs of a right triangle measure a and b and the hypootnuse is c then a²+b²=c²
so
hypotnuse is longest side, the one oposite the right angle
in this case, it is 5
one leg is 4
and the other one is red, let's call it x
so
x²+4²=5²
x²+16=25
minus 16 both sides
x²=9
sqrt both sides
x=3
the length of the red vertical edge is 3cm