aagacia: 5t² + 10t - 15,3 = 0 jak obliczyć t prosze o pomoc

megi: Policz Δ = 100 +20* 15,3 =406 VΔ =V406 -10 +V406 t1 = ------------ = -1 + 1/10 V406 10 t2 = -1 - 1/10 V406