" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a + b = -3
ab = 10
Dit :
a - b
(a + b)² = (-3)²
a² + b² + 2ab = 9
a² + b² + 2(10) = 9
a² + b² = -11
(a - b)² = a² + b² - 2ab
(a - b)² = -11 - 2(10)
(a - b)² = -11 - 20
(a - b)² = -31
a - b = ± √(-31)
a - b = ± √31 . i
*bilangannya imajiner*