In a two dimensional motion of a particle, the particle move from point A, position vector r1 to point B, position vector r2. If

In a two dimensional motion of a particle, the particle move from point A, position vector r₁ to point B, position vector r₂. If the magnitude of these vector are respectively r₁ = 3 and r₂ = 4 and the angles they make with the x-axis are θ₁= 75° and 15°, respectively, then find the magnitude of the displacement vector

15
√ 13
17
√ 15

In a two dimensional motion of a particle, the particle move from point A, position vector r1 to point B, position vector r2. If the magnitude of

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