Q61Comprehension1 Mark7 Aug 2022PassageConsider a matrix A=[abba]A = \begin{bmatrix} a & b \\ b & a \end{bmatrix}A=[abba] and a function f:R2→Rf: \mathbb{R}^2 \to \mathbb{R}f:R2→R such that f(a,b)=det(A)f(a,b) = \det(A)f(a,b)=det(A). Answer the given subquestions:Find the number of critical points of the function f(a,b).Your answerPress Enter to check.
