Question

Quais os cincos primeiros termos das sequencias numericas definidas pelas leis f(n) = 1/2 . n²

Answer 1

f(0)= 1/2 . 0² = 0
f(1)= 1/2 . 1² = 1/2
f(2)= 1/2 . 2² = 1/2 . 4 = 4/2 = 2
f(3)= 1/2 . 3³ = 1/2 . 9 = 9/2 = 4,5
f(4)= 1/2 . 4² = 1/2 . 16 = 16/2 = 8