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| sci.math.symbolic | Symbolic algebra discussion | 10,432 messages |
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| Message 8,446 of 10,432 |
| A N Niel to All |
| Re: what has your CAS to say about this |
| 16 Oct 13 10:15:30 |
From: anniel@nym.alias.net.invalid
In article <525C3859.9FE922D5@freenet.de>,
wrote:
> Over which extended region of complex numbers a and b does the relation
>
> ABS(a^2*ABS(b - a)^2 + ABS(a)^2*(b^2 - a^2))
> = ABS(a)*ABS(b - a)*(ABS(a)^2 + ABS(b)^2 - ABS(b - a)^2)
>
> hold?
>
> Martin.
how about: a=0 or Re(b/a) >= 0.
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