Write a Polar Equation in R And $\theta$ Of an Ellipse with the Focus at the Origin,with the Of an Ellipse

question 15

Multiple Choice

Write a polar equation in r and $\theta$ of an ellipse with the focus at the origin,with the eccentricity and directrix .

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Definitions:

Cnidarians

A phylum of aquatic invertebrate animals that includes jellyfish, corals, sea anemones, and hydras, characterized by a simple body structure with a single opening and tentacles with stinging cells.

Stinging Cells

are specialized cells found in various marine organisms such as jellyfish and corals, used for capturing prey and defense by discharging toxic substances.

Toxin-Filled Capsule

A structure containing poisonous substances, often produced by microorganisms as a defense mechanism or to attack other cells.

Flatworm

A type of simple, soft-bodied invertebrate animal that is a member of the phylum Platyhelminthes, which includes planarians, flukes, and tapeworms.