Find the value of `x`, if `[[-4,1,3],[8,x,-6],[1,-2,5]]`

Find the value of x if |[2, 1 ,x+1],[-1,3,-4],[0,-5,3]|=0

Find the value of 3x^2-5x+8 for x=3

Find the values of x , if |[2, 4], [5, 1]|=|[2x,4], [6,x]|

Find the value of x such that [1,x,1][[1,2,3],[4,5,6],[3,2,5]][[1],[-2],[3]]=O

Find the values of x and y , if 2[(1, 3),( 0,x)]+[(y,0),( 1, 2)]=[(5, 6),( 1 ,8)] .

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

Find x and y, if 2[[1, 3],[ 0,x]]+[[y,0], [1, 2]]=[[5, 6],[ 1, 8]]

Find the value of x if A= |(3x, 2), (5x,1)| if |A|= 5

Find the values of x, if (i) |{:(2,4),(5,1):}|=|{:(2x,4),(6,x):}| (ii) |{:(2,3),(4,5):}|=|{:(x,3),(2x,5):}|

If the mean of the following distribution is 6, find the value of p {:(x:, 2, 4, 6, 10, p+5), (f:, 3, 2, 3, 1, 2):}