1.

Express of the complex number in the form `a + i b`.`(1/3+3i)^3`

Answer» Here, `z = (1/3+3i)^3`
`z = (1/3)^3 + (3i)^3+3(1/3)(3i)(1/3+3i)`
`=1/27+27i^3+i+9i^2`
`=1/27-27i+i-9`
`z=-242/7-26i`
Here, `a = -242/7 and b = -26`


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