Question

1,5,15,34,65,111,175,260 to print the n series

Answer 1

Answer:

a=1

d=5-1=4

tn=a+(n-1)d

260=1+(n-1)4

260-1=(n-1)4

259=4n-4

263=4n

n=263/4

#hope this answer is helpful...

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