please help me with this prove problem z1/z2+z3 <= |z1|/||z2|-|z3|| ; |z2|<>|z3|, z=x+iy thanks.
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Originally Posted by unicorn please help me with this prove problem z1/z2+z3 <= |z1|/||z2|-|z3|| ; |z2|<>|z3|, z=x+iy thanks. There is an impossibility in your problem. The right hand side is a real number because of absolute value ffor complex numbers, but the left hand remains a complex number. How can a complex number be ordered?
excuse me! the problem is: |z1/z2+z3| <= |z1|/||z2|-|z3|| ; |z2|<>|z3|, z=x+iy
Originally Posted by unicorn excuse me! the problem is: |z1/z2+z3| <= |z1|/||z2|-|z3|| ; |z2|<>|z3|, z=x+iy If you mean: Prove that : ? Then it is sufficient to prove that: RonL
maybe it's silly, but how can I prove that
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