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As u = (2, -2, 3) and v = (1, -3, 4), then ||-2u + 2v|| is ______?

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As u = (2, -2, 3) and v = (1, -3, 4), then ||-2u + 2v|| is ______? Answer: 2√3

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.