Given that Sn=2n square - 3n find S6

Mathematics

ScanSolve AI Answer

S6 = 54

Steps:

  1. Substitute n = 6 into the given formula Sn = 2n^2 - 3n. S6 = 2(6)^2 - 3(6)
  2. Calculate 6^2. S6 = 2(36) - 3(6)
  3. Perform the multiplications. S6 = 72 - 18
  4. Perform the subtraction. S6 = 54
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