Question

\[ \text{Encontre } 2011^2 - 2010^2 \text{?} \]

Ask by West Mcdonald. in Brazil
Mar 09,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

\(2011^2 - 2010^2 = 4021\).

Solution

1. Reconhecemos que a expressão é a diferença de quadrados: \[ a^2 - b^2 = (a+b)(a-b) \] 2. Identificamos \(a = 2011\) e \(b = 2010\). 3. Aplicando a fórmula, temos: \[ 2011^2 - 2010^2 = (2011 + 2010)(2011 - 2010) \] 4. Calculamos os termos: \[ 2011 + 2010 = 4021 \] \[ 2011 - 2010 = 1 \] 5. Multiplicamos os resultados: \[ 4021 \times 1 = 4021 \] Portanto, \(2011^2 - 2010^2 = 4021\).

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The Deep Dive

Para encontrar \( 2011^2 - 2010^2 \), você pode usar a fórmula da diferença de quadrados, que diz que \( a^2 - b^2 = (a - b)(a + b) \). Aqui, \( a = 2011 \) e \( b = 2010 \). Assim, temos: \[ 2011^2 - 2010^2 = (2011 - 2010)(2011 + 2010) = 1 \cdot 4021 = 4021. \] Então, \( 2011^2 - 2010^2 = 4021 \).

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