Find the values of following determinants.
` (1) |[-1,7],[2,4]|` (2) `|[5,3],[-7,0]|` (3) `|[7/3,5/3],[3/2,1/2]|`

Find the values of following determinants. |{:(7/3,5/3),(3/2,1/2):}|

Find the values of the following determinants |{:(1,1,1),(5,-3,1),(7,4,-2):}|

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

Find the minors and cofactors of the elements of the following determinants: abs([2,-3,5],[6,0,4],[1,5,-7])

Find the value of : (a) | 3/5 - 2/3 | ( b ) | -5/7 + 1 |

Find the value of x, if |[(3+x), 5, 2],[1, (7+x), 6], [2, 5, (3+x)]| = 0

Find the value of x in the following: 1 2/3-:2/7xx x/7=1 1/4xx2/3-:1/6

Find the inverses of the following matrices (if they exist) : (1) {:((1,3),(2,7)):}" "(2) {:((2,1),(7,4)):}" "(3) {:((1,-1),(2,3)):}" "(4) {:((3,-10),(2,-7)):}

Evaluate the following : [[1,2,-3],[-2,1,7]] [[2,3,1],[5,4,2],[1,6,3]]

Find the determinants of minors and cofactors of the determinant |{:(2,3,4),(7,2,-5),(8,-1,3):}|