Question

calcule a11 da PG (15,30...)​

Answer 1

q = a₂ / a₁

q = 30 / 15

q = 2

an = a₁ * qⁿ⁻¹

a₁₁ = a₁ * q¹⁰

a₁₁ = 15 * 2¹⁰

a₁₁ = 15 * 1024

a₁₁ = 15 360

Answer 2

resolucao!

q = a2 / a1

q = 30 / 15

q = 2

a11 = a1 * q^10

a11 = 15 * 2^10

a11 = 15 * 1024

a11 = 15360