无论k取何值,直线3(k+2)x+(5k-1)y-(4k-3)=0横过一个定点M,求点M的坐标?
问题描述:
无论k取何值,直线3(k+2)x+(5k-1)y-(4k-3)=0横过一个定点M,求点M的坐标?
答
3(k+2)x+(5k-1)y-(4k-3)=(3x+5y-4)k+(6x-y+3)=0
无论k取何值,直线3(k+2)x+(5k-1)y-(4k-3)=0横过一个定点M,求点M的坐标?
3(k+2)x+(5k-1)y-(4k-3)=(3x+5y-4)k+(6x-y+3)=0