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The particle moves along the curve y=x^(...

The particle moves along the curve `y=x^(2)+2x` Then the point on the curve such that x and y coordiantes of the particle change with the same rate

A

(1,3)

B

(1/2, 5/2)

C

(-1/2, -3/4)

D

(-1, -1)

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The correct Answer is:
C
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