Mathematics · Vector Algebra
यदि सदिश a = 2î + 2ĵ + 3k̂, सदिश b = -î + 2ĵ + k̂ और सदिश c = 3î + ĵ ऐसे सदिश हैं कि (a + λb), सदिश c पर लंबवत है, तो λ का मान क्या है?
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