Math Problem Statement

Find G'(x) if G(x) = ∫[0 to x] (2t^2 + √t) dt.

Solution

To solve for G(x)G'(x) where G(x)=0x(2t2+t)dtG(x) = \int_{0}^{x} (2t^2 + \sqrt{t}) \, dt, we can apply the Fundamental Theorem of Calculus. This theorem states that if we have a function G(x)G(x) defined as:

G(x)=axf(t)dtG(x) = \int_{a}^{x} f(t) \, dt

then its derivative G(x)G'(x) is simply f(x)f(x), assuming f(t)f(t) is continuous.

Solution:

  1. Given: G(x)=0x(2t2+t)dtG(x) = \int_{0}^{x} (2t^2 + \sqrt{t}) \, dt

  2. By the Fundamental Theorem of Calculus, we can directly differentiate G(x)G(x) with respect to xx: G(x)=2x2+xG'(x) = 2x^2 + \sqrt{x}

Answer:

G(x)=2x2+xG'(x) = 2x^2 + \sqrt{x}

Would you like further details on this process, or have any questions?


Here are 5 related questions to further your understanding:

  1. How would you evaluate G(x)G(x) itself if you were given a specific value of xx?
  2. What if the lower bound of the integral was xx instead of 00? How would that change G(x)G'(x)?
  3. How would you find G(x)G'(x) if G(x)G(x) had a different upper limit, say 2x2x?
  4. How does the Fundamental Theorem of Calculus relate to the Mean Value Theorem for integrals?
  5. What would happen if the integrand f(t)f(t) was discontinuous at some point in the interval?

Tip: Remember, the Fundamental Theorem of Calculus is very useful for differentiating integral functions where the limits are variable.

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Math Problem Analysis

Mathematical Concepts

Calculus
Definite Integral
Differentiation

Formulas

Fundamental Theorem of Calculus: d/dx ∫[a to x] f(t) dt = f(x)

Theorems

Fundamental Theorem of Calculus

Suitable Grade Level

Grades 11-12