化简向量NQ+QP+MN-MP求详细过程,
问题描述:
化简向量NQ+QP+MN-MP求详细过程,
答
NQ+QP+MN-MP
=(NQ+QP)+MN-MP
=NP-MP+MN
=(NP+PM)+MN
=NM +MN
=0