1не46рккиг8р67ре67776544679гк458984348
Tgα=f¹(x₀);
f(x)=5x²+3x-1;
f¹(x)=10x+3;
x₀=-1;
f¹(-1)=-10+3=-7;
tgα=-7;
F=x-sinx+C.....................................
32 - 4X = X^2
X^2 + 4X - 32 = 0
D = 16 + 128 = 144 ; V D = 12
X1 = ( - 4 + 12 ) : 2 = 4
X2 = ( - 16 ) : 2 = ( - 8 )