" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Un=U1+(n-1)b
U3=U1+2b=144
U7=U1+6b=9
U3-U7=U1+2b-U1-6b=144-9
-4b=135
b=-33.75
U1=211.5
jdi U10=211.5 + 9(-33.75)=-92.25
U7= 9
U10=?
=> Un=U1+(n-1)b
Eliminasi
U3=U1+2b=144
U7=U1+6b=9
U3-U7=U1+2b - U1-6b=144-9
-4b=135
b=-33.75
U1=211.5
U10 = 211.5 + 9 (-33.75) = -92.25