JEE MATHEMATICS MCQ: TANGENTS & NORMALS

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Analyzing +4 | -1

m

denotes the slope of the normal to the curve

y = - 3\log \left( {9 + {x^2}} \right)

at the point

x \ne 0

, then,

View answer and explanation

Correct option: B

m \in R - \left( { - 1,\;1} \right)

Option C (

m \in R - [-1, 1]

) is correct because the slope of the normal satisfies the condition

|m| \ge 1

More Questions from TANGENTS & NORMALS

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a

y=x^3-a x

x^2 y=1-y

x y=1-y

C

y^3-3 x y+2=0

H

\mathrm{C}

x

V

C

y

y-e^{x y}+x=0

y = f\left( x \right)

x

x = a\left( {\theta - \sin \theta } \right),\;y = a\left( {1 + \cos \theta } \right)

\theta = \left( {2k + 1} \right)\pi ,\;k \in Z