152k views
1 vote
X
2
−8x+65=0 in simplest a, plus, b, ia+bi form

User OlivaresF
by
8.3k points

1 Answer

1 vote

Answer:

Explanation:

x²-8x+65=0


x=(8\pm√((-8)^2-4 * 1 * 65) )/(2 * 1) \\x=(8\pm√(64-260) )/(2) \\x=(8\pm √(-196) )/(2) \\x=(8\pm 14√(-1) )/(2) \\x=4\pm7√(\iota^2) \\x=4 \pm7 \iota\\x=4+7 \iota\\and\\x=4-7\iota

User Solarenqu
by
6.8k points

Related questions

asked Sep 21, 2024 105k views
DSquared asked Sep 21, 2024
by DSquared
7.6k points
1 answer
5 votes
105k views
asked Apr 1, 2021 124k views
Robertk asked Apr 1, 2021
by Robertk
7.1k points
1 answer
4 votes
124k views