Q220
For two non-zero vectors A and B , if A + B is perpendicular to A - B then,
For two non-zero vectors and , if + is perpendicular to - then,
A.
Magnitude of is twice magnitude of
B.
Magnitude of is half the magnitude of
C.
and cannot be orthogonal
D.
the magnitudes of and are equal
AnswerAnswer: Option D
Solution
Answer: Option D
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