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Which of the following function definition will correctly define a recursive function that computes xn, using the formula x0 = 1 and xn = x * xn–1  

1)

int  power(double x, int n)

{

            if(n==0)

                        return 1;

            else

                        return x* x ^(n-1);

}

 

2)

int  power(double x, int n)

{

            if(n==0)

                        return 1;

            else

                        return x*power (x, n-1);

}

 

Both 1 and 2 will work

Neither 1 nor 2 will work

2 only

1 only

 

 

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