Please solve RD Sharma class 12 chapter Solution of Simultaneous Linear Equation exercise 7.1 question 17 maths textbook solution
According to question
X=A-1B is used to solve this problem.
Ans 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 sincerity, truthfulness and helpfulness be Rs x, Rs y ,Rs z respectively.
Since, the total cash award is Rs900
Award money given by school A is Rs1600
Award money given by school B is Rs2300
Hence the award money for each value of sincerity, truthfulness and helpfulness is 200, 300 & 400 one more value which should be considered for award hard work