1 2 √2.89−9.39 In this example F = -0.5. r A? 2.898p9.39b= F? z0.5= = Which means that, 1 = 0.2566 + 0.1895 √2.89 − 9.39 3 (1.058 + 5.35 ) 2.6 In this example F = 2.6. r A? 1.058+5.35b= F? 2.6= 24