{(X+1)/3-(Y+2)/4=0 {(X-3)/4-(Y-3)/12
问题描述:
{(X+1)/3-(Y+2)/4=0 {(X-3)/4-(Y-3)/12
答
你题意没有说完吧!我只能当做一下答案来解了!(X+1)/3-(Y+2)/4=0 (1)(X-3)/4-(Y-3)/12=0 (2)(1)式两边同时乘以12,可得:4(X+1)-3(Y+2)=0化简得:4x-3Y=2 (3)(2)式两边同时乘以36,可得:9(X-3)-3(Y-3)=0化简得:9X-3...