Answer:
x=−1/2±√15i/2
Step-by-step explanation:
x=(−b±√(b^2−4ac))/2a
x=(−1±√1−4(1)(4))/2(1)
x=(−1±√1−16)/2
x=(−1±√−15)/2
The discriminant b2−4ac<0
so, there are two complex roots.
Simplify the Radical:
x=(−1±√15i)/2
which becomes
x=−0.5+1.93649i
x=−0.5−1.93649i
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Answer:
x=−1/2±√15i/2
Step-by-step explanation:
x=(−b±√(b^2−4ac))/2a
x=(−1±√1−4(1)(4))/2(1)
x=(−1±√1−16)/2
x=(−1±√−15)/2
The discriminant b2−4ac<0
so, there are two complex roots.
Simplify the Radical:
x=(−1±√15i)/2
x=−1/2±√15i/2
which becomes
x=−0.5+1.93649i
x=−0.5−1.93649i