Ex 10.2, 4 - Chapter 10 Class 12 Vector Algebra (Term 2)
Last updated at Aug. 23, 2021 by Teachoo
Ex 10.2
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Ex 10.2, 3 Important
Ex 10.2, 4 You are here
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Ex 10.2, 10 Important
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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
