Question

Let x, y, z be positive real numbers such that x+y+z=12

Answer 1

let x= 3 , y=4 and z=5
= x+y+z= 12
= 3+4+5= 12
= 12=12
LHS= RHS

Answer 2

Answer:

216

Step-by-step explanation: first of all complete question should be

Let x, y, z be positive real numbers such that x + y + z = 12  and x³y⁴z⁵=(0.1) (600)³.  Then x³+y³+z³ is equal to