And now to get the equation we have to just add the 2. So, we have the r⃗ evaluated at 2 plus this λ, which is a real number times this r′ again evaluated at 2. So, we can just evaluate the given vector at 2, which will give us here 2ı̂+5 ȷ̂ plus this λ and this r⃗′ prime again evaluated at 2. So, this is the equation of the tangent line, taking different values of λ we will be moving on the tangent line at this point 2.
तो, यह टाँगेँट रेखा का समीकरण है, अलग-अलग वैल्यू लेते हुए हम इस बिंदु 2 पर टाँगेँट रेखा पर आगे बढ़ रहे हैं।