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Write a program for the following series:
1*3*5-2*4*6+3*5*7-4*6*8+.................up to nterms
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Answer Posted / y hussain reddy
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int i,p,n;
long s=0;
puts("nter n\n");
scanf("%d",&n);
for(i=1;i<=n;i++)
{p=pow(-1,i-1);
s+=i*(i+2)*(i+4)*p;
}
printf("ans=%ld",s);
}
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