Question

solve this problem and do it fast ​

Answer 1

(x - 3)² + (y - 4)² + (z - 5)² = 0

we know that,

if a² + b² + c² = 0

then a = b = c = 0

hence

x - 3 = 0

y - 4 = 0

z - 5 = 0

hence

x = 3

y = 4

z = 5

hence, xyz = 3 × 4 × 5 = 60

Answer 2

refer above attachment!!