Question: 7. Approximate the value of the given integral by completing parts (a) and (b) below. (a) Use the trapezoidal rule, using n = 4. (b)

7. Approximate the value of the given integral by completing parts (a) and (b) below. (a) Use the trapezoidal rule, using n = 4. (b) Check by direct integration. 4x 2dx 0 (a) Use the trapezoidal rule to approximate the integral. 4x 2 dx ~ 0 (Type an integer or a decimal.) (b) Find the exact value of the integral by integration. 4 4x 2 dx = 0 (Type an integer or decimal rounded to two decimal places as needed.)
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