Let A be the point where the curve 5 alp...

Let A be the point where the curve `5 alpha ^(2) x ^(3) +10 alpha x ^(2)+ x + 2y - 4=0 (alpha in R, alpha ne 0)` meets the y-axis, then the equation of tangent to the curve at the point where normal at A meets the curve again, is:

A

`x-ay+2a = 0`

B

`ax + y - 2 = 0`

C

`2x - y + 2 = 0`

D

`x + 2y -4 = 0`

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The correct Answer is:

C

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