Bonpoc: vert } a&b b&a vert 1) (a+b)^2 3) a^2+b^2 2) (a-b)^2 4) (a-b)(a+b) Packp oure onpenenutenb Tun omeema Bbl60poM OAHOrO BapuaHTOB

To solve the given problem, we need to find the determinant of the matrix: The determinant of a 2x2 matrix is calculated as .In this case, , , , and . So, the determinant is .Now, let's compare this result with the given options:1) 2) 3) 4) The correct answer is option 4) , which matches our calculated determinant.