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Q. |
## The length of the latus rectum of the parabola y2 =ax is |

A. | 4a |

B. | a |

C. | a/4 |

D. | 2a |

Answer» B. a | |

Explanation: latus rectum is the line perpendicular to axis and passing through focus ends touching parabola. length of latus rectum of y2 =4ax, x2 =4ay is 4a; y2 =2ax, x2 |

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