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The normal at the point (1,1) on the cur...

The normal at the point (1,1) on the curve `2y + x^2 = 3` is:

A

`x+y = 0`

B

`x-y = 0`

C

`x+y+1 = 0`

D

`x-y = 1`

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  19. The normal to the curve x^2 = 4y passing (1,2) is:

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