" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Jika x=1
f(x)-f(x+1)
=a(1)+b - (a * 2(1)+b)
=a+b - 2a-b
=a
Jadi jawabannya a (c)