Question

find the 30 th term of thr squence. 1/2,1,3/2

Answer 1

We have first term 1/2 and com
mon difference also1/2.
so,30th term of this a.p is 15.

Answer 2

1/2, 1,3/2....
a=1/2,d=1/2
S30=a+(n-1)*d
=1/2+(30-1)*1/2
=30/2=15
30th term is 15
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