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The number of distinct real values of λ for which vectors −λ2^i+^j+^k,^i−λ2^j+^k and ^i+^j−λ2^k are coplanar is

Answer» The number of distinct real values of λ for which vectors λ2^i+^j+^k,^iλ2^j+^k and ^i+^jλ2^k are coplanar is


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