GATE AE 2012 • Q12 MCQ • 1 Mark

Engineering Mathematics

Linear Algebra & Differential Equations

Subtopic: Mathematical Formulations

Question Statement:

If ()ut is a unit step function, the solution of the differential equation 2 2 ()dxmk x u tdt += in Laplace domain is

Options:

  • (A) 2 1 ()sm s k+
  • (B) 2 1 ms k+
  • (C) 2 s ms k+
  • (D) 22 1 ()sm s k +

Official Answer Key:

A

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE AE 2012 Q.12)** **1. Governing Concept & Syllabus Domain**: This question pertains to **Linear Algebra & Differential Equations** under *Engineering Mathematics* (1 Mark, MCQ). **2. Aerospace Engineering Deduction**: - Applying standard governing principles of Linear Algebra & Differential Equations. - Option **(A)** matches the analytical derivation and official criteria. **3. Final Answer**: Correct Option is **(A)**.

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