Question

Obtenha o decimo termo da p.a(-4,-2,0...)

Answer 1

(-4;-2;0;2;4;6;8;10;12;14)

Answer 2

PA ( - 4, -2, 0 ...)

A ₁ = -4
r    = -2

A₁₀ = A₁ + 9 * r
A₁₀ = - 4 + 9 ( - 2 )
A₁₀ = - 4 + ( - 18 )
A₁₀ = 14