Teaching HTET TGT Level 2 - 2024 Mock Test Quantitative Aptitude Algebra Linear Equation in 2 Variable
If x = α and y = β is the solution of the pair of equations mx + ny = m2 and nx + my = n2, where m ≠ n, then what is the value of (α - β)?
1
m + n
2
m - n
3
m2 + n2
4
m2 - n2