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Mathematics 20 Online
OpenStudy (anonymous):

find all three constant solutions of the differential equation y^1= (8y-y^3)(x-y^3) ... i know u set it equal to 0 but i don't know how to solve

OpenStudy (anonymous):

\[y'=(8y-y''')(x-y''')\]

OpenStudy (anonymous):

my attempt 0=(8y-y^3)(x-y^3) so when the whole function is 0 when 0=(8y-y^3) or 0=(x-y^3)

OpenStudy (anonymous):

i mean y^3 not 3rd derivative for the original eqution

OpenStudy (anonymous):

where is the differential ? on the first y?

OpenStudy (anonymous):

\[y \prime=(8y-y ^{3})(x-y ^{3})\]

OpenStudy (anonymous):

sorry i should have used that from the start

myininaya (myininaya):

wait it it y triple prime or y^3?

myininaya (myininaya):

ok i see i just read

OpenStudy (anonymous):

y^3

myininaya (myininaya):

so it says find all constant solutions?

myininaya (myininaya):

i don't think i understand

OpenStudy (anonymous):

yeah i am supposed to find all 3 constant solutions so there should only be 3

OpenStudy (anonymous):

i believe there is an infinite amount of non constant solutions depending on the point the solution passes through. Is 0 one of the constant solutions?

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