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Let →a=2^i+^j−2^k and →b=^i+^j. If →c is a vector such that →a⋅→c=|→c|,|→c−→a|=2√2 and the angle between →a×→b and →c is 30∘, then the value of |(→a×→b)×→c| is |
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Answer» Let →a=2^i+^j−2^k and →b=^i+^j. If →c is a vector such that →a⋅→c=|→c|,|→c−→a|=2√2 and the angle between →a×→b and →c is 30∘, then the value of |(→a×→b)×→c| is |
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