Choose the correct statement (A) → → If A + B = A - B then B is

1.	Choose the correct statement (A) → → If A + B = A - B then B is a null vector (B) If A + B B\| = \|A – B \| then A and B are perpendicular vectors (C) Both of the above (D) None of the above
Answer» ong>EXPLANATION: vector addition, the COMMUTATIVE LAW is obeyed i.e A + B = B + A vector SUBTRACTION does not follow commutative law A − B =( B − A ) Vector product ALSO does not follow commutative law. A × B =−( B × A )

Choose the correct statement (A) → → If A + B = A - B then B is a null vector (B) If A + B B| = |A – B | then A and B are perpendicular vectors (C) Both of the above (D) None of the above

Answer»

ong>EXPLANATION:

vector addition, the COMMUTATIVE LAW is obeyed i.e

vector SUBTRACTION does not follow commutative law

−

)

Vector product ALSO does not follow commutative law.

=−(

)

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Choose the correct statement (A) → → If A + B = A - B then B is a null vector (B) If A + B B| = |A – B | then A and B are perpendicular vectors (C) Both of the above (D) None of the above

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