Evaluate the following: ` |[1,5,7],[6,7,2],[1,2,3]| `

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

Evaluate the following: |[1/2, 1/5],[1/2, 1/7]|

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

1.Add the following : 5/7 and 2/7

Find the mode of the following data. 3,7,4,5,9,1,7,2,2,8,1,2,4,7,7,12,11,9,8,4,7

Evaluate the following : (i) 2/5 times 3/7" (ii) " 3/5 times 8/9" (iii) " 7 times 1""2/3 .

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

Find the mode for the following series: 7.5, 7.3, 7.2, 7.2, 7.4, 7.7, 7.7, 7.5, 7.3, 7.2, 7.6, 7.2

Find the mode for the following series: 7.5, 7.3, 7.2, 7.2, 7.4, 7.7, 7.7, 7.5, 7.3, 7.2, 7.6, 7.2

Find the mode in each of the following data collection. 8,6,7,6,5,4, (1)/(2), 7 (1)/(2), 6 (1)/(2), 8 (1)/(2), 10,7,5,5(1)/(2), 8,9 7,5,6,8 (1)/(2),6