mayadodo7977 mayadodo7977
  • 19-03-2024
  • Mathematics
contestada

If the sum of first n terms of series 20 + 19 3/5 + 19 1/5 + 18 4/5 +.... is 488 and nth term is negative then find n.
A. -4
B. 4
C. 1
D. 6

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