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If the vectors 4^i−7^j−2^k, ^i+5^j−3^k, 3^i−λ^j+^k, form a triangle, then the value of λ is equal to

Answer» If the vectors 4^i7^j2^k, ^i+5^j3^k, 3^iλ^j+^k, form a triangle, then the value of λ is equal to


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