Find the value of determinant `|[2,-5,7],[5,2,1],[9,0,2]|`

Find the value of the determinant, |[0,2,7],[1,3,0],[2,0,5]|

(x) find the value of the determinant |[1,2,5],[2,4,6],[3,6,7]|

Find the value of the determinant . [[5,3],[7,9]]

Evaluate the determinants |[3,-1,-2],[0,0,-1],[3,-5,0]|

Evaluate the determinants |[3,-1,-2],[0,0,-1],[3,-5,0]|

There are two values of 'a' which makes the value of determinant |(1,-2,5),(2,a,-1),(0,4,2a)| = 86 , find the sum of these values of 'a'.

Find the value of the "determinant" |{:(3,4,7),(-1,6,5),(2,8,10):}|

Without expanding evaluate the determinant |[41,1,5],[79,7,9],[29,5,3]|

Find the value of the determinant |{:(1,2,4),(3,4,9),(2,-1,6):}|

Find the value of the determinant = |(2, 3, 4) ,(5, 6, 8),( 6x,9x, 12 x)| .