defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Vector Algebra Magnitude and Directions of a Vector
If a and b are two vectors such that \(\mid a+ b\mid=\sqrt {29}\) and a × (3i + 2j + 4k) = (3i + 2j + 4k) × b, then the possible value of (a + b).(2i - 7j + 3k) is
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