JEE MATHEMATICS MCQ: TANGENTS & NORMALS

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Application +4 | -1

The value of

\mathrm{n}

for which the length of subnormal of the curve

x y^n=a^{n+1}

is constant, is

View answer and explanation

Correct option: D

-2

Option D (-2) is correct because it makes the length of the subnormal constant, independent of x and y.

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a

y=x^3-a x

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x y=1-y

C

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\mathrm{C}

x

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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