calcular

𝐴⃗ = 4𝑖̂+ 2𝑗̂y 𝐵⃗⃗ = −6𝑖̂+ 7𝑗̂ 𝐴⃗ = 9̂𝑖 + 5𝑗̂y 𝐵⃗⃗ = −6𝑖̂+ 8𝑗̂ 𝐴⃗ = 4𝑖̂+ 2𝑗̂y 𝐵⃗⃗ = −6�