Question

Solve for x: (1+x+x^2)/(1-x+x^2)=62(1+x)/63(1-x)

Answer 1

the sum of 3 numbers is 6. if we multiply third number by 3 and add it to the second number we get 11.by adding first and third number we get a number which is double the second number use this information and find a system of linear equation.find the 3 number using matrices