Find the sum of the following : 5,9,13,17.......... (10th term)
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0
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
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