Question

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?

A) 9 B) 8 C) 12 D) 6

Answer 1

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?

A) 9 B) 8 C) 12 D) 6

C)12

Answer 2

Answer:

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? c