Crassword

2. A matrix having all its elements in a single line
5. A matrix that has an equal number of rows and columns
6. A binary opearation on two vectors in three-dimensional space
7. Another matrix that,when multiplied by the given matrix,yields the multiplicative identity
9. A rectangular array of numbers(or other mathematical objects)
10. An operator which flips a matrix over its diagonal
11. Row reduction algorithm for solving linear equations systems
13. A single numerical value which is used when calculating the inverse or when solving systems of linear equations

1. The system has an infinite number of solutions.What is this system called?
3. The length of the vectors
4. a11=1,a12=2,a13=4,a21=3,a22=5,a23=8,a31=7,a32=6,a33=9.Find the rank of matrix
8. A square matrix in which every element except principial diagonal elements is zero
12. a11=4,a12=2,a21=9,a22=7.Calculate the determinant