The equation of a tangent to the parabola, x |
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(a) |
x = ycot + 2tan |
(b) |
x=ycot − 2tan |

(c) |
y= xtan − 2cot |
(d) |
y = xtan + 2cot |

The equation of a tangent to the parabola, x |
|||

(a) |
x = ycot + 2tan |
(b) |
x=ycot − 2tan |

(c) |
y= xtan − 2cot |
(d) |
y = xtan + 2cot |

1 Answer - 5876 Votes

3537

x^{2}=8y

⇒ = = tan

∴ x_{1} = 4tan

y_{1} = 2 tan^{2}

Equation of tangent

y − 2tan^{2} = tan (x−4tan )

⇒ x = y cot + 2 tan