brodylynncarter72301 brodylynncarter72301
  • 26-03-2024
  • Mathematics
contestada

Let a1,a2,……,an be a given A.P. whose common difference is an integer and Sn=a1+a2+………..+an.If a1=1,an=300 and 15≤n≤50
, then the orderedpair (Sn−4'an−4) is equal to:
A (2490, 248)
B (2480, 248)
C (2480, 249)
D (2490, 249)

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