Abcd is a parallelogram show that 2dc vector minus bd vector equal to

1.	Abcd is a parallelogram show that 2dc vector minus bd vector equal to ac vector
Answer» Let AB = a = DC BC = b = AD AC, DB be the DIAGONALS {a,b are vectors} AC+DB (AB+BC)+ (DA+DC) (a+b)+ (-b+a) {-b as the DIRECTION is NEGATIVE} 2a =2DC Hence, 2DC=AC+DB 2DC-DB = AC

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Abcd is a parallelogram show that 2dc vector minus bd vector equal to ac vector

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