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+2)
III. (y+1)^(x-1) + 1 Select:
A) I only
B) II only
C) All options are applicable
D) III only
E) II,III only
let x= 5, y= 3   I. 5^5 = &gt; Odd   II. 5*5 = &gt; Odd   III. 4^4 +1 = &gt; Odd   Answer : All options are applicable
<result>C</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+2)
III. (y+1)^(x-1) + 1