If a and b are vectors of equal magnitude 2 and α be the angle between them, then…
Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry
If \(\overrightarrow{\mathrm{a}}\) and \(\overrightarrow{\mathrm{b}}\) are vectors of equal magnitude 2 and α be the angle between them, then magnitude of \(\overrightarrow{\mathrm{a}}\) + \(\overrightarrow{\mathrm{b}}\) will be 2 if
- α = π/3
- α = π/4
- α = π/2
- α = 2π/3
Answer
(D) α = 2π/3
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