Write a recursive function power(base, exponent) that, when invoked returns base exponent for example, power(3, 4)=3*3*3*3. assume that exponent is an integer greater than or equal to 1.

int power(int base,int exponent)

{

   if(exponent==1)//base case.

   return base;

   return base*power(base,exponent-1);//recursive call.

}

Explanation:

The above written function is for calculating base^exponent using recursion.In calculating the power n of a number we have multiply that number with itself n times.So the recursion is calculating the base^exponent-1 and we are multiplying the last base by ourselves.

answer; insolated i/o uses separate memory space,and on the other hand memory mapped i/o uses memory from the main

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