Oblicz pierwiastki wielomianu [latex]W(x)=3x*x+x*x-12x-4
Oblicz pierwiastki wielomianu [latex]W(x)=3x*x+x*x-12x-4
w(x)= 4 x² - 12x - 4 Δ= b²-4ac= 12²- 4*4*(-4) = 144 + 64 = 208 √Δ=√208 x1= - b -√Δ/ 2a = 12 - √208 / 8 x2= -b+√Δ/2a= 12+√208/8