GATE AE 2017 • Q3 NAT • 1 Mark

General Aptitude

Quantitative Aptitude

Subtopic: Arithmetic & Numerical Estimation

Question Statement:

Question Number : 5 Correct: 1 Wrong : 0.33 3-point Gaussian integration formula is given by: I, f(x)dx ~ 2% A, f(x) with x3 = 0,72 = -x3 = - /3: A, = ,A2 = Ag = $ This formula exactly integrates

Official Answer Key:

0.0

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE AE 2017 Q.3)** **1. Governing Concept & Theory**: This problem evaluates **Quantitative 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 2017 master key with 100% accuracy.

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