maths physics please solve this 1
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answer is (C)
Explanation:
(A) A×B= | i j k| =i(0)-j(0)+k(12-12)=0
|4 6 0|
|2 3 0|
(B) A-B=(4i+6j)-(2i+3j)=2i+3j
(C)|A| / |B| = root(52) /root(13)=2
(D)A=2B;A and B are parallel vectors
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