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Ex 10.2, 4 - Chapter 10 Class 12 Vector Algebra
Last updated at May 29, 2023 by Teachoo
Ex 10.2
Ex 10.2, 1
Ex 10.2, 2
Ex 10.2, 3 Important
Ex 10.2, 4 You are here
Ex 10.2, 5 Important
Ex 10.2, 6
Ex 10.2, 7 Important
Ex 10.2, 8
Ex 10.2, 9
Ex 10.2, 10 Important
Ex 10.2, 11 Important
Ex 10.2, 12
Ex 10.2, 13 Important
Ex 10.2, 14
Ex 10.2, 15 Important
Ex 10.2, 16
Ex 10.2, 17 Important
Ex 10.2, 18 (MCQ) Important
Ex 10.2, 19 (MCQ) Important
Transcript
Ex 10.2, 4 Find the values of x and y so that the vectors 2𝑖 ̂ + 3 𝑗 ̂ and x𝑖 ̂ + y𝑗 ̂ are equal.Let 𝑎 ⃗ = 2𝑖 ̂ + 3𝑗 ̂ = 2𝑖 ̂ + 3𝑗 ̂ + 0𝑘 ̂ & 𝑏 ⃗ = x𝑖 ̂ + y𝑗 ̂ = x𝑖 ̂ + y𝑗 ̂ + 0𝑘 ̂ Since 𝑎 ⃗ = 𝑏 ⃗ Comparing corresponding components Thus, x = 2 and y = 3
