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Let →a=2^i+^j−2^k,→b=^i+^j. If ^cis a vector such that →a.→c=|→c|,|→a+→c|=2√3 and angle between →a×→b and →c is 30∘, then |(→a×→b).→c|= |
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Answer» Let →a=2^i+^j−2^k,→b=^i+^j. If ^cis a vector such that →a.→c=|→c|,|→a+→c|=2√3 and angle between →a×→b and →c is 30∘, then |(→a×→b).→c|= |
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