Fundamental theorem of plane vector If the point D is on the edge BC of the triangle ABC, and the vector CD = 4, the vector DB = m, the vector AB + N, the value of 3M + n Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent

Fundamental theorem of plane vector If the point D is on the edge BC of the triangle ABC, and the vector CD = 4, the vector DB = m, the vector AB + N, the value of 3M + n Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent..... Urgent

Vector AB + vector BC = vector AC, so vector BC = n, so m + 4 equals n 3M + n = 4 (n-1) others. Unexpectedly, is triangle special?