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Find the coordinates of the points on...

Find the coordinates of the points on the curve `y=x^2+3x+4` , the tangents at which pass through the origin.

A

(–2, 2), (2, 14)

B

(1, –1), (3, 4)

C

(1, 2), (14, 3)

D

(1, –1), (3, 4)

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MOTION-TANGENT & NORMAL-EXERCISE 1
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  14. For a curve (length of normal)^2/(length of tangent)^2 is equal to

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