find the
Sum
5+8+11 to
10 the term
using formula method
the term
Answers
Answered by
1
Answer:
24 is answer of the question
Answered by
3
Answer:
185
Step-by-step explanation:
a = 5
d = 8-5=3
n = 10
sn = n/2 [2a+(n-1)d]
= 10/2 [2(5)+(10-1)3]
= 5(10+27)
= 5×37
= 185
hence proved
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