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(4-3i) (3+4i) modulus of complex number.

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(4-3i) (3+4i) modulus of complex number.

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|(4 - 3i) (3 + 4i)| = |4 - 3i| |3 + 4i|

 = \(\sqrt{4^2+(-3)^2}\sqrt{3^2+4^2}\) 

 = 5.5  = 25

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