0.9, 1.0,1.2,1.5,1.8,2.0,2.1,2.5,3.0,3.5 and 4.0 are the data of electronegativity (Pauling) of period-2 & period-3.
Find sum of EN of Mg,Si & Boron.

If A=[[-5,-8,0],[3,5,0],[1,2,-1]], then transpose of A is

If A=[[2,0,1],[2,1,3],[1,-1,0]] , then find value of A^(2)-5A+6I

A= [[-2,5,7] , [0,3,2], [9,4,1]] Find A' and |A|

If A=[(1,4),(3,2),(2,5)], B=[(-1,-2),(0,5),(3,1)] , find the matrix D such that A+B-D=0 .

Delta=|[5,3,8],[2,0,1],[1,2,3]|=

If A=[[-3,1,2],[0,0,1],[-3,5,0]] ,then 8|A|

If A=[(2, 0,-3),( 4, 3, 1),(-5, 7, 2)] is expressed as the sum of a symmetric and skew-symmetric matrix, then the symmetric matrix is (a) [(2, 2,-4 ),(2, 3, 4),(-4, 4, 2)] (b) [(2, 4,-5),( 0, 3, 7),(-3, 1, 2)] (c) [(4, 4,-8),( 4, 6, 8),(-8, 8, 4)] (d) [(1, 0 ,0 ),(0 ,1 ,0),( 0, 0, 1)]

If A=[[2,1,3],[4,1,0]] and B=[[1,-1],[0,2],[5,0]] find AB and BA.

A bowler has taken 0, 3, 2, 1, 5, 3, 4, 5, 5, 2, 2, 0, 0, 1 and 2 wickets in 15 consecutive matches . What is the mode of the given data ?