Question

find the 10th term from the last term of the AP. 8,10,12..........126.

Answer 1

Her,
a = 126,n=10,d=-2(as we are satrting from last)

a = a+(n-1)d
a=126+(10-1)(-2)
a=126-18
a=108
From the last the 10 trem is 108

Answer 2

last term =10th term +( 10-1)*2
126=10th term+18
126-18=10th term
10th term=108