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Across
  1. 3. 18)if M12=-6, find C12=?
  2. 4. 6)the system has exatly one solution or the system has infinite number of solution
  3. 7. 14)the row to which a multiple of pivot row is added is called the...
  4. 8. 9)A matrix having all its elements in a single line
  5. 9. 8)The length of the vectorts
  6. 10. 11)A(0,9),B(1,11),C(3,13)and D(7,k) are the four points if AB perpendicular CD then find k?
  7. 11. 10)if a system of 2 linear equations have only 1 solution, the graphs of equations will be 2....lines
  8. 16. 12)when m1xm2=-1?
  9. 18. 5)a11C11+a12C12+a1nC1n what is this formula
  10. 19. 1)n by n matrix is called...matrix
Down
  1. 1. 20)what formula is this (-1)^i+j*M(ij)=?
  2. 2. 15)the row that contains the pivot element is called the...
  3. 5. 2)subtract number of rank from number of colum
  4. 6. 13)Amatrix that does not have an inverse is called...
  5. 7. 16)3X1+2X2=3; -X1+X2=4 find X2=?
  6. 12. 17)y=3x+2 find y-intercept
  7. 13. 7)a11=4,a12=2,a21=9,a22=7,Calculate the determinanat
  8. 14. 19)a system of row and column
  9. 15. 4)the dimension of the...is called the nullity
  10. 17. 3)2x3 matrix change 3x2, this prosses called...