设直线y=4/3(x-2)代入y²=2x
化简8x²-41x+32=0
韦达定理x1+x2=41/8
所以M(x,y)
x=(x1+x2)/2=41/16
x=41/16代入y=4/3(x-2)
y=4/3(41/16-2)=3/4
点M(41/16,3/4)
设直线y=4/3(x-2)代入y²=2x
化简8x²-41x+32=0
韦达定理x1+x2=41/8
所以M(x,y)
x=(x1+x2)/2=41/16
x=41/16代入y=4/3(x-2)
y=4/3(41/16-2)=3/4
点M(41/16,3/4)