state gov Allahabad High Court Stenographer 2024 Mock Test Series Quantitative Aptitude Algebra Linear Equation in 2 Variable
If x3 + y3 + z3 = 3(1 + xyz), P = y + z – x, Q = z + x – y and R = x + y – z, then what is the value of P3 + Q3 + R3 – 3PQR?
1
9
2
8
3
12
4
6