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What is the Drake Equation?

Answer 1

Drakes equation An equation to estimate planets with intelligent life, Made by Frank Drake enter image source here

The number of planets with intelligent civilizations can be calculated using this formula (image sourced from quora.com).

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Answer 2

Josiah Adams

The Drake Equation is a probabilistic formula used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. It takes into account factors such as the rate of star formation, the fraction of stars with planets, the number of planets that could potentially support life, the likelihood of life evolving on those planets, and the probability of intelligent life capable of communication emerging.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.