Let a = 3 i + j and b = i + 2 j + k . Let c be a vector satisfying a ( b c ) = b + c . If b and c are non-parallel, then the value of is :

JEE Main 2022 Mathematics question

Let and . Let be a vector satisfying . If and are non-parallel, then the value of is :

Answer: (1)

. Since and are non-parallel, comparing

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Question ID VK-035145