Let ABCD is a parallelogram and `vecAC, vecBD` be its diagonal, then `vecAC +vec BD` is

ABCD is a parallelogram and [AC], [BD]are its diagonals. Express vec AC and vec BD in terms of vec AB and vec AD .

If ABCD is a parallelogram, then vec(AC) - vec(BD) =

If ABCD is a parallelogram, then vec(AC) - vec(BD) =

ABCD is a parallelogram and [AC], [BD]are its diagonals. Express vec AB and vec AD in terms of vec AC and vec BD .

ABCD is a parallelogram, with AC, BD as diagonals. Then vec AC - vec BD =

ABCD is a parallelogram with AC and BD as diagonals. Then, A vec C - B vec D =

ABCD is a parallelogram and AC, BD are its diagonals. Show that : vec(AC)+vec(BD)=2vec(BC), vec(AC)-vec(BD)=2vec(AB) .

ABCD is a parallelogram and AC, BD are its diagonals. Show that : vec(AC)+vec(BD)=2vec(BC),vec(AC)-vec(BD)=2vec(AB) .

ABCD is a parallelogram, with AC, BD as diagonals, then overset(-)(AC)-overset(-)(BD) is equal to

If ABCD is a parallelogram and vec AB = vec a , vec BC= vec b then show that vec AC = vec a+ vec b and vec BD = vec b- vec a .