The magnitude of scalar product of the vectors A = 2i + 5k and B = 3i + 4k is 

The magnitude of scalar product of the vectors A = 2i + 5k and B = 3i + 4k is 
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The magnitude of scalar product of the vectors A = 2i + 5k and B = 3i + 4k is (A) 20 (B) 22 (C) 26 (D) 29
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