Question 82146This question is from textbook
: please assist me in solving this problem by using the quadratic formula
x2-x+1=0 This question is from textbook
x² - x + 1 = 0
Use the quadratic formula:
______
-b ± Öb²-4ac
x = —————————————
2a
where a = 1; b = -1; c = 1
_____________
-(-1) ± Ö(-1)²-4(1)(1)
x = ————————————————————————
2(1)
___
1 ± Ö1-4
x = ———————————
2
__
1 ± Ö-3
x = ———————————
2
_
1 ± iÖ3
x = ——————————
2
_
1 ± iÖ3
x = —————————
2
_
1 iÖ3
x = ———— ± ——————
2 2
_
1 Ö3
x = ——— ± ————i
2 2
Using the +
x = +
Using the -
x = -
Edwin