If a b = 1, b c = 2 and c a = 3, then the value of [ a ( b c ), b ( c a ), c ( b a )] is

JEE Main 2022 Mathematics question

If , and , then the value of [, , ] is

Answer: (1)

; $ × ( × ) = (· ) - (· ) = - 2 =

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Question ID VK-025359