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If →p=^i+^j+^k and →q=a^i+b^j+c^k, where a,b,c∈{−2,−1,0,1,2}, then the number of vectors →q perpendicular to →p is |
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Answer» If →p=^i+^j+^k and →q=a^i+b^j+c^k, where a,b,c∈{−2,−1,0,1,2}, then the number of vectors →q perpendicular to →p is |
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