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The general form of the antiderivative of $2x$ is $x^2+C$, where $C$ represents an arbitrary constant. This is because multiple functions differing only by a constant share the same derivative.

Conditions: The function being integrated is $2x$.; $C$ is an arbitrary constant.

The general form of the antiderivative of $2x$ is $x^2+C$, where $C$ represents an arbitrary constant. This is because multiple functions differing only by a constant share the same derivative.

Conditions: The function being integrated is $2x$.; $C$ is an arbitrary constant.

Adding a constant to a function does not change its derivative because the derivative of a constant is zero. When differentiating a sum, the constant term vanishes, leaving the derivative of the original function unchanged.

Conditions: The function is differentiable.; The added term is a constant (e.g., 1, $\pi$, or $C$).

Adding a constant to a function does not change its derivative because the derivative of a constant is zero. When differentiating a sum, the constant term vanishes, leaving the derivative of the original function unchanged.

Conditions: The function is differentiable.; The added term is a constant (e.g., 1, $\pi$, or $C$).