Lolmickles2354 Lolmickles2354
  • 06-03-2024
  • Mathematics
contestada

Let S be the sum to n terms of an arithmetic progression. If S/3 = n/2(2a + (n - 1)d), then S equals _______.
a) 3a + n(n - 1)d
b) 3a + n(n + 1)d
c) 3a + n(n - 2)d
d) 3a + n(n + 3)d

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