Question

matematica a11a helpppp

Answer 1

C₄⁰ = 4! / 0!*(4-0)! = 4! / 1*4! = 1

A₃¹ = 3! / (3-1)! = 3! / 2! = 2!*3 / 2! = 3

|  3  1 |  = 3*3 - (-2)*1 = 9 + 2 = 11 este det acelei matrici

| -2 3 |