ariannaclose3406 ariannaclose3406
  • 26-03-2024
  • Mathematics
contestada

If the first, second and last term of an A.P. are a, b and 2a respectively. then its sum is
A. 3ab/2(b−a)
B. none of these
C. ab/2(b−a)
D. ab/(b−a)

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