Question
\[ \text{Find } 2011^2 - 2010^2 \text{?} \]
Ask by Moreno Santiago. in South Africa
Mar 13,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
\( 2011^2 - 2010^2 = 4021 \)
Solution
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Bonus Knowledge
To solve the problem \( 2011^2 - 2010^2 \), we can use the difference of squares formula, which states that \( a^2 - b^2 = (a-b)(a+b) \). Here, let \( a = 2011 \) and \( b = 2010 \). Therefore, we have: \[ 2011^2 - 2010^2 = (2011 - 2010)(2011 + 2010) \] Calculating \( 2011 - 2010 \) gives us \( 1 \) and \( 2011 + 2010 \) gives us \( 4021 \). Now, substituting these values into the equation, we get: \[ 2011^2 - 2010^2 = 1 \cdot 4021 = 4021 \] So, the answer is \( 4021 \).
