Aşağıdaki eşitliklerden hangisi doğrudur?
A) \(\frac{d}{dx} \left( \int_2^x (t^2 + 4t - 3) dt \right) = x^2 + 4x - 3\)
B) \(\frac{d}{dx} \left( \int_2^x (t^2 + 4t - 3) dt \right) = 2x + 4\)
C) \(\frac{d}{dx} \left( \int_2^x (t^2 + 4t - 3) dt \right) = x^3 + 2x^2 - 3x\)
D) \(\frac{d}{dx} \left( \int_2^x (t^2 + 4t - 3) dt \right) = t^2 + 4t - 3\)
E) \(\frac{d}{dx} \left( \int_2^x (t^2 + 4t - 3) dt \right) = 0\)