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Homework1/homework1.c

+#include <stdio.h>
+#include <math.h>
+int main ()  {
+	float A;
+	float B;
+	float Y;
+	float H;
+	float X;
+	int N;
+	int i;
+	
+	printf("PLease,enter starting value:\n");
+	scanf("%f",&A);
+	printf("PLease,enter stopping value:\n");			
+	scanf("%f",&B);	
+	printf("PLease,enter number of steps:\n");
+	scanf("%d",&N);
+		if(N>1&&N<15) {
+			for(i=1;i<=N;i++)	{
+				H=(B-A)/(N-1);
+				A=A+(i-1)*H;
+				printf("x=%f\t", X=A);	
+				Y=(4+sqrt(X*X-4))/(5*X*X);
+						if(5*X*X==0) {
+							printf("N/A\t");
+						}
+						else if (sqrt(X*X-4)<0)   {
+							printf("y=Complex number\n");
+						}
+						printf("y=%f\n", Y);
+			}
+		}
+		else {
+			printf("PLease,enter number between 1 and 15:\n");
+			scanf("%d",&N);
+				for(i=1;i<=N;i++)	{
+					H=(B-A)/(N-1);
+					A=A+(i-1)*H;
+					printf("x=%f\t", X=A);
+					Y=(4+sqrt(X*X-4))/(5*X*X);
+						if(5*X*X==0) {
+							printf("N/A\t");
+						}
+						else if (sqrt(X*X-4)<0)   {
+							printf("y=Complex number\n");
+						}
+						printf("y=%f\n", Y);
+			}
+		}
+		
+return 0;
+}
+