cbse pyq 2023 vector algebra If 𝐚 ⃗=𝐢 ̂−𝐣 ̂ 𝟕𝐤 ̂ and 𝐛 ⃗=𝟓𝐢 ̂−𝐣 ̂ 𝛌𝐤 ̂, then find the value of 𝛌 so that the vectors 𝐚 ⃗ 𝐛 ⃗ 𝐚𝐧𝐝 𝐚 ⃗−𝐛 ⃗ are orthogonal. .#vectoralgebra #vectors #cbse2026 vector algebra class 12 vector algebra class 11 physics vectors maths class 12 introduction of vector algebra vector algebra explanation vector algebra class 11 maths what is vector in mathematics vector in engineering mathematics vector algebra class 12 physics vector algebra class 12 introd