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# What is the sum for N plus N?

Updated: 9/21/2023

Draco47

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12y ago

N+n=0

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12y ago

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Q: What is the sum for N plus N?
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### Find the sum of 1 plus 2 plus 3 plus . plus n nos using c program?

if (n%2==0) sum=n/2*(n+1); else sum=(n+1)/2*n;

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main() { int i, n, sum=0; cout&lt;&lt;"Enter the limit"; cin&gt;&gt;n; for(i=0;i&lt;=n;i++) sum=sum+i; cout&lt;&lt;"sum of "&lt;&lt;n&lt;&lt;" natural numbers ="&lt;&lt;sum; getch(); }

### 1 plus 3 plus 5 plus 7n how will you do this program?

Print "Type the upper limit (n) ?" Input n K = -1 WHILE K &lt; = n K = K + 2 Sum = Sum + K WEND Print "The sum of all odd numbers up to "; n; "is "; Sum

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### 3 plus 7 is an a------n sum?

3 + 7 is an ADDITION sum

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(n2 + n)/2 1+2+3+4+5+n= 15+n

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That is an unsolvable problem, because there are an infinite number of even numbers. However, with limits, you could say... int NMax = ...; int Sum = 0; for (N=2; N&lt;=NMax N+=2) Sum += N;

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Did you mean 1-2+3-4+5-6....till n ?? If yes, then here it is: #include&lt;iostream.h&gt; void main() { int n,sum=0,check=1; cout&lt;&lt;"Enter n "; cin&gt;&gt;n; for(int i=1;i&lt;=n;i++) { sum+=(check*i); check*=-1; } cout&lt;&lt;"The result of series is: "&lt;&lt;sum; }

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Successor of n=n+1 Predecessor of n=n-1 Sum=[n+1]+[n-1] Plus 1 plus minus 1= [1]+[-1]=0 [n][n] =2n Hope this helps

2x+7=n

### What is the formula for 1 plus 2 plus 4 plus 8 30 times?

The sum of 2n, for n= 0 to 29.

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The sum of (base current) plus (collector current).