Question

v) If A, B and C are three vectors, then
which of the following is not correct?
(A) A.(B+C) = A.B+A.C
B) A. B = B.A
() Ax B = B× A
(D) Ax(B+C) = AxB+BxC​

Answer 1

Answer:

the last option is not correct

Explanation:

because A×(B+C)=A×B+A×C

Answer 2

The given two are incorrect.

C) A×B = B×A

D). A×(B+C)= A×B + B×C

Explanation:

Vector is defined as a directed quantity with both magnitude and direction. These are also described as the signed differences between the two points.

Among the given options, the third and fourth(options C and D) are incorrect.

Because

A×B ≠ B×A

instead, it will be A×B = - B×A

And,

Ax(B+C) ≠ AxB+BxC​

Instead,

Ax(B+C) = AxB + AxC​

Learn more: Vector

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