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#include<stdio.h>

#include<conio.h>

void main()

clrscr();

{

int a,b;

a=a^2;

b=b^2;

printf("a^2+b^2+2*a*b");

getch();

}

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Q: A2 plus 2ab plus b2
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A squared plus 2ab plus b squared?

= (a + b)2 or (a + b)(a + b) (a + b)(a + b) using the FOIL method yields: [multiplying {First Outer Inner Last} and summing the products] = a.a + a.b + b.a + b.b = a2 + ab + ab + b2 = a2 + 2ab + b2


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