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On x^2 + y^2 = 4, the slope dy/dx at the point (0, 2) is
Aequal to 1
Bequal to 0
Cequal to -1
Dnot defined
Answer & Solution
Correct answer: B. equal to 0
dy/dx = -x/y = 0/2 = 0 at (0, 2).
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