state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Algebra Linear Equation in 2 Variable
If x = α and y = β is the solution of the pair of equations \(\frac{1}{2x}\) - \(\frac{1}{y}\) + 1 = 0 and \(\frac{1}{x}\) + \(\frac{1}{2y}\) = 8, x, y, ≠ 0, then what is the value of (α-1 + β-1) ?
1
11
2
10
3
12
4
13