# Basic mathematics problem # 1

Algebra Level 2

If x,y,x be positive real numbers such that ${ x }^{ 2 }+{ y }^{ 2 }+{ z }^{ 2 }= 27,$ then what is the minimum value of ${ x }^{ 3 }+{ y }^{ 3 }+{ z }^{ 3 }?$

×