C Programming

C programming

Writing equation:

#include<conio.h>

#include<stdio.h>

#include<math.h>

void main()

{clrscr();

  float l,c,r,frqnc;

  printf("frqnc calculate");

  scanf("%f%f%f",&l,&r,&c);

  frqnc=pow((1/l*c)-(pow(r,2))/4*(pow(c,2)),(1/2));

  printf("%f",frqnc);

  getch();

                    }