FORMULAS FOR NUMBER SYSTEMS
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these are some of the basic formula
1.. (a−b)2=a2+b2−2ab
2. (a3–b3)=(a−b)(a2+ab+b2)
3. (a+b)2−(a−b)2=4ab
4. (a3+b3)=(a+b)(a2−ab+b2)
5 If a+b+c=0, then a3+b3+c3=3abc.
1.. (a−b)2=a2+b2−2ab
2. (a3–b3)=(a−b)(a2+ab+b2)
3. (a+b)2−(a−b)2=4ab
4. (a3+b3)=(a+b)(a2−ab+b2)
5 If a+b+c=0, then a3+b3+c3=3abc.
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