If `A={:[(3,24),(-4,8)]:}`, then check whether it is symmetric matrix or not.

Check whether this shape is symmetrical or not ?

Check whether the following shapes are symmetrical or not.

Check whether the following shapes are symmetrical or not.

Check whether the following shapes are symmetrical or not.

Check whether the following shapes are symmetrical or not.

Check whether the following shapes are symmetrical. .

Let A={:[(1,a,4),(2,3,c),(b,-2,4)]:} . If A is symmetric matrix, then find a,b,c.

Express the matrix A=[{:(3,-4),(1,-1):}] as the sum of a symmetric matrix and a skew-symmetric matrix.

Express the matrix A=[{:(-3,4,1),(2,3,0),(1,4,5):}] as the sum of symmetric matrix and a skew-symmetric matrix.