If p=2 i+ k, q= i+ j+ k, r=4 i-3 j+7 k and a vector m is such that m q= r q, m p=0, then m= ..

MHT CET 2025 Mathematics question

If and a vector is such that , then

Answer: (C)

, so is parallel to : . Now : . So $

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Question ID VK-102127