bn = b1 * qⁿ⁻¹ q = 3/4 / 3/8 = 2
192 = 3/8 *2ⁿ⁻¹
2ⁿ⁻¹ = 192 / 3/8
2ⁿ/2= 192 *8 /3
2ⁿ/2= 512
2ⁿ= 1024
n=10
bn = b1 * qⁿ⁻¹ q = 3/4 / 3/8 = 2
192 = 3/8 *2ⁿ⁻¹
2ⁿ⁻¹ = 192 / 3/8
2ⁿ/2= 192 *8 /3
2ⁿ/2= 512
2ⁿ= 1024
n=10