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- #include <stdio.h>
- #include<math.h>
- #include<string.h>
- #define pi 3.14
- float power(int x, int y);
- int factorial(int x);
- int main()
- {
- int a,b;
- float e=0;
- printf("bhai sinx ki series likh de plis. UwU \n");
- scanf(" %d %d",&a, &b);
- for(int i=0;i<a;i++)
- {
- e+=power(-1,i)*(power(b,2*i+1)/factorial(2*i+1));
- }
- printf(" %f",e);
- return 0;
- }
- float power(int x, int y)
- {
- int k=1;
- for(int i=1;i<=y;i++)
- {
- k=k*x;
- }
- return k;
- }
- int factorial(int x)
- { int k=1;
- for(int i=1;i<=x;i++){k=k*i;}
- return k;
- }
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