Question
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\( f ( x ) = \int ( 6 x ^ { 2 } + 10 x - 2 ) d x \)

Ask by Tran Harmon. in Puerto Rico
Jan 24,2025

Real Tutor Solution

Tutor-Verified Answer

Answer

La función \( f(x) \) es \( 2x^{3} + 5x^{2} - 2x + C \), donde \( C \) es una constante.

Solution

Para encontrar la función \( f(x) = \int (6x^{2} + 10x - 2) \, dx \), integramos cada término por separado: \[ f(x) = \int 6x^{2} \, dx + \int 10x \, dx - \int 2 \, dx \] Calculamos cada integral: 1. **Integral de \( 6x^{2} \):** \[ \int 6x^{2} \, dx = 6 \cdot \frac{x^{3}}{3} = 2x^{3} \] 2. **Integral de \( 10x \):** \[ \int 10x \, dx = 10 \cdot \frac{x^{2}}{2} = 5x^{2} \] 3. **Integral de \( -2 \):** \[ \int -2 \, dx = -2x \] Combinando todos los resultados obtenidos, la función \( f(x) \) es: \[ f(x) = 2x^{3} + 5x^{2} - 2x + C \] donde \( C \) es la constante de integración.

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Bonus Knowledge

To get started with your function, \( f(x) = \int (6x^2 + 10x - 2) \, dx \), you'll want to use the power rule of integration. Each term can be integrated separately. The first term integrates to \( 2x^3 \), the second to \( 5x^2 \), and the constant -2 integrates to \( -2x \). So, putting it all together, you'll arrive at \( f(x) = 2x^3 + 5x^2 - 2x + C \), where \( C \) is the constant of integration. Integrating polynomials is a fundamental skill in calculus, often used in physics and engineering to find areas under curves and solve differential equations. So whether you’re calculating the trajectory of a projectile or determining the work done by a varying force, understanding how to integrate functions like this is crucial! Keep practicing to make it second nature.

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