prove that |z1 z2|≤ |z1| |z2| and |z1 z2|≥ ||z1|-|z2|| for complex numbers
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5.find the greatest and least values of |z1 z2| or prove that ||z1|-|z2||≤|z1 z2|≤|z1| |z2|
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|z1z2| = |z1||z2|
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conjugate(z1 z2) = conjugate(z1) conjugate(z2)
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if for complex number z1 and z2 arg(z1)-arg(z2)=0 then show that mod (z1-z2)=mod(z1)-mod(z2)
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let z1 and z2 be two complex numbers such that z1 =iz2 and arg(z1/z2) = π then | jee mains 2024maths