01.Diketahui vektor v = [-7 8] dan A(1,-2). jika |AB|=|v| dan AB=-v, maka koordinat titik B adalah...
V = ( - 7 + 8 ) | AB | = | V | da AB = - V
A = ( 1 , - 2 )
B - A = - ( - 7 / 8 )
B - A = ( 7 / -8 )
B - ( 1 / - 2 ) = ( 7 / - 8 )
B = ( 7 / - 8 ) + ( 1 / - 2 ) B = ( 8 , - 10 )
