find the 17 terms of series 5+9+13+17+....
Answers
Answered by
0
Answer:
629
Step-by-step explanation:
s17= 17/2(2×5+16×4)
=17/2×74
=17×37
s17=629
Answered by
0
Answer:
answer is 629.
Step-by-step explanation:
here,
a = 5
d = common diff. = 9-4=5
sum of n terms,
= n/2[2a+ (n-1) d]
so sum of 17th term,
= 17/2[2(5) +( 17-1) 4]
=629
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