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Evaluating Definite Integrals by Finding Antiderivatives
General
Grade 12

Question:

Evaluate $$\int_{1}^{2} 2x dx$$

Step-by-Step Solution

Key Concept: General
$$\int_{1}^{2} 2x dx = [x^2]_1^2 = 4 - 1 = 3$$
Correct Answer: 3

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