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If the normal to `y=f(x)` at (0, 0) is given by `y-x =0,` then `lim_(x to 0)(x^(2))/(f(x^(2))-20f(9x^(2))+2f(99x^(2)))`, is

A

`1//19`

B

`-1//19`

C

`1//2`

D

does not exist

Text Solution

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The correct Answer is:
B
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ARIHANT MATHS-DY / DX AS A RATE MEASURER AND TANGENTS, NORMALS -Exercise (Single Option Correct Type Questions)
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