Part B | CSIR NET June 2026 Linear Algebra Solution | Question ID 458908762 ‪@MathsLover2023‬

Welcome to Maths Lover! In this video, we provide a complete step-by-step solution to a Linear Algebra (Part B) problem from the CSIR-NET Mathematical Sciences June 2026 examination. Problem Details: ●Exam: CSIR-NET Mathematical Sciences June 2026 ●Section: Part B ●Topic: Linear Algebra / Eigenvalues & Determinant of Adjoint Matrix ●Question ID: 458908762 Problem Statement: Let A be a 2 \times 2 positive definite matrix with \text{trace}(A - 2I) = 2 and \det(A^2 - 2I) = 28. Then, the determinant of the adjoint of the matrix A is: ■(1) 4 ■(2) 8 ■(3) 16 ■(4) 64 Key Topics Covered: Properties of 2 \times 2 positive definite matrices Relation between eigenvalues, trace, and determinant Formula for the determinant of an adjoint matrix: \det(\text{adj}(A)) = (\det A)^{n-1} Time-saving shortcuts and elimination techniques for CSIR NET Part B Hashtags: #CSIRNET #CSIRNETMaths #LinearAlgebra #CSIRNETJune2026 #MathsLover #PartB #MathematicalSciences #HigherMathematics #NETExamPreparation #Eigenvalues