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Do you have a correct and simple solution? (Warring! X1 may be equal X2!)
PS It is one test for my students!
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@ValeryOchkov wrote:
Do you have a correct and simple solution? (Warring! X1 may be equal X2!)
PS It is one test for my students!
And why are you posting their question here?
Do you need help or do you want us to do your students work? 🙂
Anyway, here are a few ways - I usually prefer to do the work in the complex plane as it makes a lot of things quite easy.
Guess you mean L13 or L23 in your functions. not L12.
Easiest way seems to be an interpretation as complex numbers.
Thanks, Werner!
@ValeryOchkov wrote:
Do you have a correct and simple solution? (Warring! X1 may be equal X2!)
PS It is one test for my students!
And why are you posting their question here?
Do you need help or do you want us to do your students work? 🙂
Anyway, here are a few ways - I usually prefer to do the work in the complex plane as it makes a lot of things quite easy.
@Werner_E wrote:
@ValeryOchkov wrote:
Do you have a correct and simple solution? (Warring! X1 may be equal X2!)
PS It is one test for my students!
And why are you posting their question here?
Do you need help or do you want us to do your students work? 🙂
One Werner - 3 solutions!
N students - N solutions!