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Let a = i - k, b = x i + j + (1 -x ) k and c = y i + x j + (1 + x -y) k. Then, [a b c] depends on

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Let a = i - k, b = x i + j + (1 -x ) k and c = y i + x j + (1 + x -y) k. Then, [a b c] depends on 

(a) Neither x nor y 

(b) Both x and y 

(c) Only x 

(d) Only y

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The correct option is (a) Neither x nor y.

Explanation:

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