" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
u5+u7= 36= a+ 4b + a + 6b =
= 2a + 10b = 36
= a + 5b = 18
a + 5b = 18
a + 2b = 9
---------------- -
3b = 9
b= 9/3= 3
a + 2b = 9
a + 6 = 9
a = 3
S10 = 1/2n (2a + (n-1)b
= 1/2x10 ( 6 + 27)
= 5 ( 33)
=165