Dividing (a+b)2+(a−b)2 by a2+b2 gives:

1.	Dividing (a+b)2+(a−b)2 by a2+b2 gives:
Answer» Dividing $(a + b)^{2}$ + $(a - b)^{2}$ by $a^{2}$ + $b^{2}$ gives:

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