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Let →a=2^i+^j−^k and →b=^i+2^j+^k be two vectors. Consider a vector →c=α→a+β→b,α,β∈R. If the projection of →c on the vector (→a+→b) is 3√2, then the minimum value of (→c−(→a×→b)).→c equals |
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Answer» Let →a=2^i+^j−^k and →b=^i+2^j+^k be two vectors. Consider a vector →c=α→a+β→b,α,β∈R. If the projection of →c on the vector (→a+→b) is 3√2, then the minimum value of (→c−(→a×→b)).→c equals |
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