" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
@
..pers 1
ruas kiri dan kanan hampir sama, yang membedakan hanya tanda - dan +
ruas kiri :
ruas kanan :
Subtitusi ke pers 1
menjadi
--> bilangan 2 diabaikan
..pers 2
Jika p.q = 8
dan p+q = 5
p = 5-q
(5-q).q = 8
-q²+5q-8=0
q²-5q+8 = 0
selidiki jika D < 0 akar imajiner
D = b²-4ac
= 25-4(1)(8)
= 25-32
= -7 --> imajiner