Determinant of Product

Problem

Compute the determinant of the product A*B of two 2x2 matrices using the identity

det(A*B) = det(A) * det(B)

Hint

No need to multiply the matrices; multiply their determinants.

case 1

in: [[[1,2],[3,4]],[[5,6],[7,8]]]

expected: 4

case 2

in: [[[2,0],[0,3]],[[1,1],[0,1]]]

expected: 6

case 3

in: [[[1,2],[2,4]],[[3,1],[1,3]]]

expected: 0

case 4

in: [[[1,0],[0,1]],[[4,7],[2,6]]]

expected: 10

Starter codePython

def det_product(A, B):
    # Your code here
    pass

4 test cases · run your code against them in the editor