Jawab:
nilai mutlak
i) jika |a| = |b|
maka (a + b) (a - b) = 0
Penjelasan dengan langkah-langkah:
a) | x - 2| = | 6 + 2x|
(x - 2 + 6 + 2x) (x - 2 - 6 - 2x) = 0=
( 3x + 4 )( - x - 8) = 0
x = - 4/3 atau x = - 8
.
b) | 2x - 6| = | x |
(2x - 6 + x )(2x - 6 - x) = 0
(3x - 6)(x - 6 )=0
x= 2 atau x = 6
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Jawab:
nilai mutlak
i) jika |a| = |b|
maka (a + b) (a - b) = 0
Penjelasan dengan langkah-langkah:
a) | x - 2| = | 6 + 2x|
(x - 2 + 6 + 2x) (x - 2 - 6 - 2x) = 0=
( 3x + 4 )( - x - 8) = 0
x = - 4/3 atau x = - 8
.
b) | 2x - 6| = | x |
(2x - 6 + x )(2x - 6 - x) = 0
(3x - 6)(x - 6 )=0
x= 2 atau x = 6