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Shuchi Mittal
Subject: Maths, asked on 6/9/22
The scalar product of the vector a⃗ = î + ĵ + k̂ with a unit vector along the sum of the vectors b⃗ = 2î + 4ĵ – 5k̂ and c⃗ = λî + 2ĵ + 5k̂ is equal to 1. Find the value of λ and hence find the unit vector along b⃗ + c⃗ . (All India 2019)
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