Q 7. The sum of three numbers is -1. If we multiply the second number by 2, third number by 3 and add them, we get 5. If we subtract the third number from the sum of first and second numbers, we get -1.
Answer the following:
Represent the above information algebraically.
Convert the system of linear equations in matrix form.
If the matrix formed by coefficients of variables is written by A, then find |A|.
Find adj (A); where adjoint of A is the transpose of the matrix of the co factors.
Find the numbers using matrix method.
Answers
Answered by
0
Answer:
18 is the correct answer
Answered by
0
Answer:
Yess I also think 18 will be the correct ans.
Similar questions