C-12-Q054mediumsingle_mcq
To equalise the absolute values of the coefficients of one variable, we —
To equalise the absolute values of the coefficients of one variable, we —
- aadd the two equations
- bdivide an equation
- cmultiply by suitable numbers
- dsquare both sides
ব্যাখ্যা
To make the coefficients of one variable equal in absolute value, each equation is multiplied by an appropriate number (such as the other equation's coefficient). This scaling step is what equalises the coefficients.