Question

1) Calcule a razão da P.G. onde a1 =3 2 e a8 = 48.

Answer 1

3√2 * 8r = 48
48/8r = 3√2
48 = 3√2*8r
48 = 24r√2
48/√2 = 24r
48√2/2 = 24r
24√2 = 24r
:; r = √2.