Question

determine o décimo sétimo termo da PA ( -6, -1, 4...)

Answer 1

( - 6, - 1, 4, ...)

a₁ = - 6

r = 4 - ( -1) ----- r = 4 + 1 ------ r = 5

a₁₀ = - 6 + (10 - 1) 5 ----- a₁₀ = - 6 + (9) 5 ---- a₁₀ = - 6 + 45 ------ a₁₀ = 39