If the normal to the curve \[y=f(x)\] at the point \[(3,\,4)\] makes an angle \[\frac{3\pi }{4}\]with the positive x-axis then \[f'(3)\] is equal to [IIT Screening 2000; DCE 2001]

If the normal to the curve \[y=f(x)\] at the point \[(3,\,4)\] makes a

1.	If the normal to the curve \[y=f(x)\] at the point \[(3,\,4)\] makes an angle \[\frac{3\pi }{4}\]with the positive x-axis then \[f'(3)\] is equal to [IIT Screening 2000; DCE 2001]
A.	\[-1\]
B.	\[-\frac{3}{4}\]
C.	\[\frac{4}{3}\]
D.	\[1\]
Answer» E.

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If the normal to the curve \[y=f(x)\] at the point \[(3,\,4)\] makes an angle \[\frac{3\pi }{4}\]with the positive x-axis then \[f'(3)\] is equal to [IIT Screening 2000; DCE 2001]

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