Cedars7912 Cedars7912
  • 29-12-2023
  • Mathematics
contestada

If the sum of n terms of an A.P. is given by Sn = a + bn + cn², where a, b, c are independent of n, then which of the following is (are) CORRECT?

A. a = 0
B. Common difference of the A.P. must be 2b
C. Common difference of the A.P. must be 2c
D. First term of the A.P. is b + c

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