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hey /sci/ I'm learning differential equations, and I came

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  3. hey /sci/ I'm learning differential equations, and I came
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Anonymous
2017-06-11 07:35:42 Post No. 8970409
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Anonymous 2017-06-11 07:35:42 Post No. 8970409 [Report]
hey /sci/ I'm learning differential equations, and I came across this problem...
The problem claims we can replace 2c with c^2
why is that? I know both are arbitrary constants, but c^2 is in no way the same as 2c ?
>>
Anonymous 2017-06-11 07:37:05 Post No.8970411
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Anonymous 2017-06-11 07:37:05 Post No.8970411 [Report]
>>8970409
c1 = (1/2)(x^2 + y^2)
so c1 is positive
so 2c1 = c^2 for some c
>>
Anonymous 2017-06-11 07:40:20 Post No.8970417
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Anonymous 2017-06-11 07:40:20 Post No.8970417 [Report]
>>8970411
oh hey that makes sense!
just for the sake of an answer, we could also claim that 2c1 = c^4 right? since c^4 is always positive as well
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