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Given that →u=^i−2^j+3^k,→v=2^i+^j+4^k,→w=^i+3^j+3^k and (→u.→R−15)^i+(→v.→R−30)^j+(→w.→R−20)^k=→0. Then the greatest integer less than or equal to |→R| is: |
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Answer» Given that →u=^i−2^j+3^k,→v=2^i+^j+4^k,→w=^i+3^j+3^k and (→u.→R−15)^i+(→v.→R−30)^j+(→w.→R−20)^k=→0. Then the greatest integer less than or equal to |→R| is: |
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