Question

If x
2 + y2 + z2 + 4x – 6y + 8z + 29 = 0 then value of x – y + z is
(A) 1 (B) – 1 (C) 0 (D) None of these

Answer 1

Answer:

$2 + 2 + 2 + 4 - 6 + 8 + 29 = 43$