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Let a vector →a be coplanar with vectors →b=2^i+^j+^k and →c=^i−^j+^k. If →a is perpendicular to →d=3^i+2^j+6^k, and |→a|=√10. Then a possible value of [→a →b →c]+[→a →b →d]+[→a →c →d] is equal to |
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Answer» Let a vector →a be coplanar with vectors →b=2^i+^j+^k and →c=^i−^j+^k. If →a is perpendicular to →d=3^i+2^j+6^k, and |→a|=√10. Then a possible value of [→a →b →c]+[→a →b →d]+[→a →c →d] is equal to |
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