For two vectors A and B, A+B = A-B is always true when(a) |A| = |B | – InterviewSolution

1.

For two vectors A and B, A+B = A-B is always true when(a) |A| = |B |≠ 0(b) A ⟂ B(c) |A |= |B| ≠ 0 and A and B are parallel or anti parallel(d) when either |A | or |B| or is zero.

Answer»

(b) A ⟂ B

(d) when either |A | or |B| or is zero.

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