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Yes.

1,012,036 (which is 1006 squared)

1,010,025 (which is 1005 squared)

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Q: Is 2011 the difference of 2 perfect squares?
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What is difference of 2 squares?

The difference of 2 squares ca n be expressed as: x2 - y2


How do you write 0 as the difference of two squares?

How can you have 0 as the difference of two squares? 5^2-5^2?


Can you write every integer as the sum of two nonzero perfect squares?

No.First of all, you can't write negative numbers as sums of perfect squares at all - since all perfect squares are positive.Second, for natural numbers (1, 2, 3...) you may need up to 4 perfect squares: http://en.wikipedia.org/wiki/Lagrange's_four-square_theoremNo.First of all, you can't write negative numbers as sums of perfect squares at all - since all perfect squares are positive.Second, for natural numbers (1, 2, 3...) you may need up to 4 perfect squares: http://en.wikipedia.org/wiki/Lagrange's_four-square_theoremNo.First of all, you can't write negative numbers as sums of perfect squares at all - since all perfect squares are positive.Second, for natural numbers (1, 2, 3...) you may need up to 4 perfect squares: http://en.wikipedia.org/wiki/Lagrange's_four-square_theoremNo.First of all, you can't write negative numbers as sums of perfect squares at all - since all perfect squares are positive.Second, for natural numbers (1, 2, 3...) you may need up to 4 perfect squares: http://en.wikipedia.org/wiki/Lagrange's_four-square_theorem


Can 2819 be expressed by the sum of 2 perfect squares?

no


What are examples of perfect square roots?

Perfect square roots are the counting numbers {1, 2, 3, ...} The squares of the perfect square roots are the perfect squares, namely 1² = 1, 2² = 4, 3² = 9, etc.