Need solution for RD Sharma maths class 12 chapter Solution of Simultaneous Linear Equation exercise 7.1 question 19
According to the question,
X=A-1B is used to solve this problem
And the determinant and co-factor of matrix A, take it’s transpose that will be Adj A using Adj A calculate A-1.
Let the award money given for discipline, politeness & punctuality be x, y, z respectively.
Since, the total cash award is 1200
Award money given by the school P is 2200
Award money given by school Q is 3100
The above system of equation can be written in matrix from AX=B
Hence, the award money for each value of tolerance kindness and leadership is Rs300, Rs400 and Rs500 one more value which should be considered for award is honesty