Question 13
What is the formula for the arithmetic sequence if the sum of the same sequence is
given by
Sn=2n + 3n??
an= 5 + 6(n-1)
an= 6 + 5(n − 1)
an= 4 + 5(n − 1)
an=5+4(n-1)
Answers
Answered by
0
an=a+(n-1)d
sn=n/2 [2a+(n-1)d]
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