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Discussion

Word differential and equations certainly suggest some kind of equations that contain

  • A.integrations
  • B.derivatives
  • C.algebras
  • D.arithmetic

Answer: B

The word differential points to differentials and hence to derivatives, and equation to a statement of equality. A differential equation is therefore an equation containing derivatives of an unknown function.

\[ \frac{dy}{dx} + 2y = e^{x} \]

An equation containing integrals instead would be an integral equation.

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