tolong dong kk nomor 7 please

CA = CO + OA = BA + OA = -BA +OA=
-(B-A)+A = -b +a + a =2avektor - b

Maka =
CP = CA + AI + OP =
2a vektor - b + (-A) +1/3b =
1/3a -2/3b

Jawabn nya (b)

Kalau boleh jadikan jawaban terbaik yah