gesc693
gesc693
12-05-2015
Mathematics
Answered
What are the roots of -12x2 + 11x − 3 = 0?
Answer :
Panoyin
Panoyin
12-05-2015
-12x² + 11x - 3 = 0
x =
-(11) +/- √((11)² - 4(-12)(-3))
2(-12)
x =
-11 +/- √(121 - 144)
-24
x =
-11 +/- √(-23)
-24
x =
-11 +/- i√(23)
-24
x =
-11 + i√(23
) x =
-11 - i√(23)
-24 -24
x = ¹¹/₂₄ - 0.0416√(23) x = ¹¹/₂₄ + 0.0416√(23)
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