If x and y are positive odd integers, then which of the following must also be an odd integer? I. x^(y+2) II. x(y+4) III. (y+1)^(x-1) + 2 Choose the most appropriate option:  A) II,III only  B) I,II only  C) I only  D) II only  E) III only
let x= 5, y= 3   I. 5^5 = &gt; Odd   II. 5*7 = &gt; Odd   III. 4^4 +2= &gt; Even   Answer : I,II only
<result>B</result>
If x and y are positive odd integers, then which of the following must also be an odd integer? I. x^(y+2) II. x(y+4) III. (y+1)^(x-1) + 2