[问答题]
Show, using a ray diagram, th7 8rd9cd 7nqo(*n8swmq rojjw*zy4d/*q 0nq aat o8g 9n 9y: sy4cqy*ye9.vrlnathe magnification m of a convex mirror is $m=-d_\mathrm{i}/d_\mathrm{o},$ just as for a concave mirror. [Hint: consider a ray from the top of the object that reflects at the center of the mirror.]
