A. (0, 1), (1, 2), (2, 1)
B. (0, -1), (-1, 2), (2, 1)
C. (0, 1), (1, -2), (2, -1)
D. (0, -1), (-1, 2), (-2, 1)
Tangent at any point of the curve (x/a)2/3+(y/b)2/3=1 makes intercepts x1and y1 on the axes. Then
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The angle between the curve y2=4x+4 and y2=36(9-x) is
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