Find the area bounded by , the -axis and the lines and .
Answer and explanation
Correct answer: A. 63
- Step 1: Area . Step 2. . Answer: 63. Why not the others: 45: That subtracts the squares of the limits without integrating. 64: That ignores the lower limit. 189: That omits the division by 3.
Practise more Limits, differentiation and integration.
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