" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x² - 49
x - 7
limit x mendekati 7
(x - 7)(x + 7)
x - 7
limit x mendekati 7
x + 7
7 + 7 = 14