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The general solution of $\dfrac{dy}{dx} = 2x$ is:
A$y = 2x + C$
B$y = x^2$
C$y = 2 + C$
D$y = x^2 + C$
Answer & Solution
Correct answer: D. $y = x^2 + C$
Integrating dy/dx = 2x gives y = x² + C.
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