" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1=a(-1)+b
1=-a+b
L(4)=4
4=a(4)+b
4=4a+b
-a+b=1
4a+b=4
---------- (-)
-5a=-3
a=3/5
-a+b=1
-3/5+b=1
b=1+3/5
b= 5/5+3/5
b=8/5
a+b =3/5 + 8/5
=11/5