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In the argand plane ABCD is a square des...

In the argand plane ABCD is a square described in the anticlockwise sense. A and B represented by complex numbers 1+2i and 7-6i respectively. Then vertices C and D of the square are.

A

(7-4i), (1+12i)

B

(7+4i), (1-12i)

C

(7-4i), (1+12i)

D

(7-4i), (1-12i)

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A
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