Question

考完的题目,老师没讲,这题不太懂.

Answer 1

M:-10+3t;

Q:6-3t;

∴当M在Q左边时,MQ=Q-M=16-6t=7,t=1.5;

当M在Q右边时,MQ=M-Q=-16+6t=7,t=23/6;