Answers

2016-04-03T13:01:18+05:30
L=12,a=100,d=96-100=-4,n=?
l=[a+(n-1)d]
12=100+(n-1)-4
12=100-4n+4
12=104-4n
-4n=12-104
-4n=-92
n=23.
Therefore,no.of terms = 23
0
ok
Ur formula is wrg buddy
tn=a+(n-1)d
yes,we can use that formula too
ok