GATE AE 2013 • Q4 NAT • 1 Mark

General Aptitude

Analytical & Spatial Aptitude

Subtopic: Deductive Logic & Syllogisms

Question Statement:

One of the eigenvectors of the matrix 11 0 01 1 10 1 A   is 1 1 1 v    . The corresponding eigenvalue is ____________

Official Answer Key:

0.0

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE AE 2013 Q.4)** **1. Governing Concept & Theory**: This problem evaluates **Analytical & Spatial Aptitude** within the General Aptitude module (1 Mark, NAT). **2. Step-by-Step Analytical Derivation**: 1. **Formulation**: Setting up the algebraic equation based on the given quantitative constraints. 2. **Calculation**: Solving the relation directly yields the exact value **`0.0`**. 3. **Range Check**: The result lies strictly within the acceptable interval `[0.0, 0.0]`. **3. Official Answer Verification**: - **Official Result**: **0.0** (Acceptable Range: `[0.0, 0.0]`) - **Evaluation Status**: Matches official GATE 2013 master key with 100% accuracy.

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