" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b = 10 - 7 = 3
U10 = a + 9b = 7 + 27 = 34
S10 = (10/2)(a + U10)
= 5(7 + 34)
= 5 (41)
= 205
b=3
maka
Sn=n/2+(2a+(n-1)b)
S10=10/2(2x7+(10-1)3)
S10=5(14+(9x3)
S10=5(14+27)
S10=5(41)
S10=205