Which expression represents the action of the followingrecursive method., if onl

Question

Which expression represents the action of the followingrecursive method., if only positive parameters are passed to themethod?           public int guess(int a, int b)           {                if(a == 0)                    return 1;                else                    return b + guess(a - 1, b);           } a)a + b b)a * b c)a^b d)b^a e)b! Which expression represents the action of the followingrecursive method., if only positive parameters are passed to themethod?           public int guess(int a, int b)           {                if(a == 0)                    return 1;                else                    return b + guess(a - 1, b);           } a)a + b b)a * b c)a^b d)b^a e)b!

Explanation / Answer

   public intguess(int a, int b)          {                if(a == 0)                    return 1; // it retunr 0 here,then it will be a*b otherwise it will be a*b+1.                else                    return b + guess(a - 1, b);           }    public intguess(int a, int b)          {                if(a == 0)                    return 1; // it retunr 0 here,then it will be a*b otherwise it will be a*b+1.                else                    return b + guess(a - 1, b);           }

It will be none of the above, it will be a*b +1
Reason:
Since this will sum b upto the a. .i.e it willcalculate sum of b , a's time. But in termination condition it isreturning 1, that is why it is a*b +1.
If it ruturn 0 then it will be a*b

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