Question

vi)
iv) - V-5
v) 5i
vii) V2 + 731
viii) cose +
3) Find a and b if
i) a + 2b + 2ai = 4 + 6
ii) (a-b) + (a+b)i= a + 5i
111) (a+b) (2 + i) = b + 1 + (10 + 2
iv) abi = 3a - b + 12i
1
v)
= 3 - 2i
a +ib
vi) (a + ib) (1 + i) = 2 + i
4) Express the following in the for
a, beRi=-1. State the values
i) (1+2i)(-2+i) ii) (1+i)(1-i)-
i(4+3i)
(2+i)​

Answer 1

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