" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1. x=-4
Jadi (-4)^2 - 1 = 16-1 = 15.
2. x=3
Jadi (3)^2 - 1 = 9-1 = 8.
f(x) = x² - 1
f(x) = (x + 1)(x - 1)
Nilai f( - 4) = (-4+1)(-4-1)
= (-3)(-5)
= 15
f(3) = (3+1)(3-1)
= (4)(2)
= 8
smgmbntu ya , kalau boleh jadikan terbaik ^__