Prephub - If Z133 i and Z233 i then the value of Z1Z2 is

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Question

Difficulty Level:

Easy

MCQ

If $Z_1=-3-3 i$ and $Z_2=3-3 i$ , then the value of $Z_1+Z_2$ is

Select all that apply :

$-6 i$

$6i$

$1$

$2 i$

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