Evaluate .

Answer and explanation

Correct answer: B. 1/4

  1. Step 1: Apply the fundamental theorem of calculus: , where .
  2. Step 2: For , an antiderivative is .
  3. Step 3: Evaluating at gives .
Answer
1/4.
Why not the others: 1/3 is an inverted or miscalculated integral fraction; 1 miscalculates the power rule integration or evaluation limits; 3 miscalculates the power rule integration or evaluation limits.

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Evaluate int 0 1 1x 3,dx. | CBSE Class 12 Integrals