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If at every point of a certain curve, the slope of the tangent equals $\frac{-2x}{y}$ the curve is

  1. a straight line

  2. a parabola

  3. a circle

  4. an ellipse

asked in Non GATE by Veteran (59.5k points) | 274 views

2 Answers

+1 vote
ans is D

an ellipse
answered by Loyal (8.2k points)
–1 vote
a) st.line
answered by Loyal (5.2k points)

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