Hey guys,
I don't know how to use latex so sorry if its abit difficult to read.
Question: Given P(z)= z^4 +az^3+bz-1,find the value of a and b if I and 1+√2 are zeros of P(z).
I got up to this,
P(i) -ai+bi=-2
P(1+√2) 7a+5√2a+b+√2b=-16-12√2
How do I solve it simultaneously? Or is...