Answers

2014-11-04T19:56:55+05:30
By Tn of ap formula,
126=8+(n-1)2
n=60
we have to find 10 th term from end,,,,,that is 51 nd term from starting.
T52=8+50*2
Tn=108
Answer is 108
0
2014-11-04T20:05:20+05:30
126 = 8+(n-1)2
118 = (n-1)2
59 = n-1
n = 60

the pth term from the last

t(n-p+1) = a+(n-p)d
t(60-10+1) = 8 +(60-10)2
t51 = 108

0