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Let a = a_(1) I + a_(2) + a_(3) k. Assertion (A) : The identity |a xx i|^(2) + |a xx j|^(2) + |a xx k|^(2) = 2 |a|^(2) hold for a, Reason (R ) : a xx I = a_(3) j = a_(2) k, a xx j = a_(1) k - a_(3) I, a xx k = a_(2) I = a_(1) j Which of the following is correct? |
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Answer» both A and R are TRUE and R is the correct EXPLANATION of A |
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