[" How many matrices "X" with entries "{0,1,2}" are there for which sum of diagonal entries of "XX^(TT)" is "],[7" ? "]

How many matrices X with entries {0,1,2} are there for which sum of diagonal entries of X.X^(T) is 7?

How many matrices X with entries {0,1,2} are there for which sum of diagonal entries of X.X^(T) is 7?

How many 3xx3 matrices M with entries from {0,1,2} are there,for which the sum of the diagonal entries of M^(T)M is 5?(A)126 (B) 198(C)162(D)135

How many 3xx3 matrices M with entries from {0,1,2} are there, for which the sum of the diagonal entries of M^T Mi s5? 126 (b) 198 (c) 162 (d) 135

How many 3xx3 matrices M with entries from {0,1,2} are there, for which the sum of the diagonal entries of M^T Mi s5? 126 (b) 198 (c) 162 (d) 135

How many 3xx3 matrices M with entries from {0,1,2} are there, for which the sum of the diagonal entries of M^T Mi s5? 126 (b) 198 (c) 162 (d) 135

How many 3xx3 matrices M with all integer entries are there for which the product of the diagonal entries of MM' is 5? (where M' denotes transpose of M)

The number of matrices X with entries {0,2,3} for which the sum of all the principal diagonal elements of X.X^(T) is 28 (where X^(T) is the transpose matrix of X), is

The number of matrices X with entries {0,2,3} for which the sum of all the principal diagonal elements of X.X^(T) is 28 (where X^(T) is the transpose matrix of X), is

The total number of 3 xx 3 matrices A having entries from the set {0,1,2,3} such that the sum of all the diagonal entries A ^(T)A is 9, is equal to "________"