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If abs(z1+z2) = abs(z1-z2), then the dif...

If `abs(z_1+z_2) = abs(z_1-z_2)`, then the difference in the amplitudes of z_1 and z_2 is

A

`frac{pi}{4}`

B

``frac{pi}{3}`

C

`frac{pi}{2}`

D

0

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