Imaginary Number Questions 3

7.

If z is a complex number, solve the equation (1+i) z^2 - (2+3i)z +2+i = 0 for z

Ans: 2+i, (1-i) /2


8. If [(1+i)^n] = [(1-i)^n], find all possible values of n.

Ans: 4k [k equal to a symbol for any z]


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