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2

Evaluate:

(i)

(iii) .

2

Evaluate:

(i)

(iii) .

10

= 2(1 – i).

10

= 2(1 – i).

1

Express each of the following in the form (a + ib) and find its conjugate.

(ii) (2 + 3i)^{2}

(iii)

(iv)

(v)

(vi)

1

Evaluate .

3

Evaluate