alleryStart learning →Find the area of the region bounded by y² = 9x and x² = 9y.
A81/4
B81/2
C9
D27
Answer & Solution
Correct answer: D. 27
The curves meet at (0,0) and (9,9); the integral of 3√x − x²/9 from 0 to 9 is 54 − 27 = 27.
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