Let p, q, r, s be respectively the magnitudes of the vectors 3i – 2j, 2i + 2j + k, 4i – j + k, 2i + 2j + 3k. Which one of the following is correct? - NDA Mathematics 2011 (I)

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Let p, q, r, s be respectively the magnitudes of the vectors 3i – 2j, 2i + 2j + k, 4i – j + k, 2i + 2j + 3k. Which one of the following is correct?