Question

2) For an A.P., a=10,d=3, to find the value of S... complete the activity.
a=10, d=3, S8=?
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Answer 1

Answer:

164

Step-by-step explanation:

hope it will help you......

Answer 2

Answer:

164

Step-by-step explanation:

a=10, d=3,

Sn=n/2(2a+(n-1)d)

S8=8/2(2*10+(8-1)3)

=4(20+21)

=4*41

=164