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Prove that the vectors(i - 2j + 5k) and vector(-2i + 4j + 2k) are mutually perpendicular. |
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Answer» Let vector a = vector(i - 2j + 5k) and vector b = vector(-2i + 4j + 2k) ∴ vector(a.b) = vector(i - 2j + 5k), vector(-2i + 4j + 2k) = -2 - 8 + 10 = 0 Hence the given vectors be perpendicular to each other |
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