Given: (1 - i√3)

To find: Multiplicative inverse

We know that,

Multiplicative Inverse of z = z^-1

Putting z = 1 - i√3

Now, rationalizing by multiply and divide by the conjugate of (1 - i√3)

Using (a – b)(a + b) = (a² – b²)

[∵ i² = -1]