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Prove that following inequalities: |z/(|...

Prove that following inequalities: `|z/(|z|)-1|lt=|a rgz|` (ii) `|z-1|lt=|z|+||z|-1|`

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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  3. Prove that following inequalities: |z/(|z|)-1|lt=|a rgz| (ii) |z-1|lt=...

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