ac于x轴的夹角为60°
y=-根号3x+b
X=0, y=b
y=o, x=√3/ 3 b
ac于x轴的夹角为60°
AB=2BM=2X1, AC=2CN=2X2
AB*AC=4X1X2
y=- √3x+b
Y=k/x
- √3x+b=k/x
- √3x^2+bx- k=0
x1x2=k/√3
4*k/√3=2
k=√3/2
ac于x轴的夹角为60°
y=-根号3x+b
X=0, y=b
y=o, x=√3/ 3 b
ac于x轴的夹角为60°
AB=2BM=2X1, AC=2CN=2X2
AB*AC=4X1X2
y=- √3x+b
Y=k/x
- √3x+b=k/x
- √3x^2+bx- k=0
x1x2=k/√3
4*k/√3=2
k=√3/2