Question

numa pg a1 =¼ e a7= 16 calcule a razão dessa pg

Answer 1

a₇ = a₁ * q⁶
16 = 1/4 * q⁶
q⁶ = 16 / 1/4
q⁶ = 16 * 4/1
q⁶ = 64
q² = 2⁶
q = 2