A) - 2
B) - 1
C) 1
D) 2
Correct Answer: D
Solution :
\[1-i\] is a root of the equation so \[x=1-i\] \[\Rightarrow (x-1)=-i\]\[\Rightarrow {{(x-1)}^{2}}={{(-i)}^{2}}\,\,\,\,\Rightarrow \,\,{{x}^{2}}-2x+2=0\] By comparison, a = 2, b = 2.You need to login to perform this action.
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