Determine if the matrix is symmetric. (-1 -5 -9 8)
The transpose of the given matrix is nothing. Because this isto the given matrix, the given matrixsymmetric.

because this is equal to the given matrix, the given matrix is symmetric.

Step-by-step explanation:

A symmetric matrix is a square matrix which has same number of rows and columns. Square matrix is equal to transpose. Equal matrices have equal dimensions. The given matrix is symmetric because the rows and columns are equally distributed.

the answer on e2020 is

10

4/5

3/5

4/3

step-by-step explanation:

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680