Question

Find the sum of the following : 5,9,13,17.......... (10th term)

Answer 1

Answer:

230

Step-by-step explanation:

we know that,

tn=a+(n-1)d,

t10=5+(10-1)4=41.

we know that,

Sn=n/2(a+l),

Sn=(10/2)(5+41)=5*46=230