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If z1 and z2 are any two complex numbers...

If `z_1` and` z_2` are any two complex numbers then `abs(z_1+sqrt(z_1^2-z_2^2))+abs(z_1-sqrt(z_1^2-z_2^2))` is equal to

A

A)`2abs(z_1)`

B

B)`abs(z_2)`

C

C)`abs(z_1+z_2)`

D

D)`abs(z_1+z_2)+abs(z_1-z_2)`

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