Answer Posted / vishwanath pillay

void f1()
{
.....
if(condition)
{
f2();
....
}
}
void f2()
{
....
....
f1();
}

void main()
{
f1();
}


On closer look u'll find that the program goes lopping
itself again and again untill the condition in satified.
Once the cond. is met it will exit the loop and terminate
the prog.
But there is 1 important thing that:- the func's call is
indirect.
this is Indirect Recurssion.

the factorial of non-negative integer n is written n! and is defined as follows: n!=n*(n-1)*(n-2)........1(for values of n greater than or equal to 1 and n!=1(for n=0) Perform the following 1.write a c program that reads a non-negative integer and computes and prints its factorial. 2. write a C program that estimates the value of the mathematical constant e by using the formula: e=1+1/!+1/2!+1/3!+.... 3. write a c program the computes the value ex by using the formula ex=1+x/1!+xsquare/2!+xcube/3!+....

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