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If z^2 = -24-18i, then z=...

If `z^2 = -24-18i`, then ` z= `

A

`pmsqrt(3)(1+3i)`

B

`pmsqrt(3)(3-i)`

C

`pmsqrt(3)(1-3i)`

D

`pmsqrt(3)(3+i)`

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