# complex number

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Write the complex number in rectangular form.

cis 210Â°

Which is the correct answer?

a) -square root of 3/2 + i1/2

b) -1/2 + i(-1/2)

c) square root of 3/2 + i(-1/2)

d) -square root of 3/2 + i(-1/2)

https://brainmass.com/math/complex-analysis/write-complex-number-rectangular-form-30977

#### Solution Preview

Write the complex number in rectangular form.

cis 210Â°

Which is the correct answer?

a) -square root of 3/2 + i1/2

b) ...

#### Solution Summary

The expert writes the complex number in rectangular form.

$2.49