" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Un= a + (n-1)b
U7 = a + 6b = 37
------------------------ -
4b = 20 => b = 5
a + 6(5) = 37 => a = 7
U100 = a + 99b = 7 + 99(5) = 502