JEE Main 2026 Mathematics question
Let and be two vectors, Let and be a vector of magnitude 2 in yz-plane. If , then the maximum possible value of is equal to :
Answer: (3)
Solution
gives . Maximizing using Cauchy-Schwarz gives 208.
Let and be two vectors, Let and be a vector of magnitude 2 in yz-plane. If , then the maximum possible value of is equal to :
gives . Maximizing using Cauchy-Schwarz gives 208.