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The value of x if (i + j + k) is a unit vector is(1) ± 3(2) ±1/2(3) ±1/√3(4) ± 3 |
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Answer» Correct option (3) ± 1/√3 Explanation: x2 + x2 + x2 = 1 3x2 = 1 x2 = 1/3 x = ± 1/√3. |
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