Example 6 - Chapter 10 Class 12 Vector Algebra
Last updated at Dec. 16, 2024 by Teachoo
Last updated at Dec. 16, 2024 by Teachoo
Example 6 Find unit vector in the direction of vector 𝑎 ⃗ = 2𝑖 ̂ + 3𝑗 ̂ + 𝑘 ̂ Given 𝑎 ⃗ = 2𝑖 ̂ + 3𝑗 ̂ + 𝑘 ̂ Magnitude of 𝒂 ⃗ = √(22+32+12) |𝒂 ⃗ | = √(4+9+1) = √𝟏𝟒 Unit vector in direction of 𝑎 ⃗ = 𝟏/(𝑴𝒂𝒈𝒏𝒊𝒕𝒖𝒅𝒆 𝒐𝒇𝒂 ⃗ ) × 𝒂 ⃗ 𝒂 ̂ = 1/√14 ["2" 𝑖 ̂" + 3" 𝑗 ̂" + 1" 𝑘 ̂ ] 𝑎 ̂ = 2/√14 𝑖 ̂ + 3/√14 𝑖 ̂ + 1/√14 𝑘 ̂
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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo