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The variables stand for an unknown number that has not yet been identified which has been kept as a variable for the purpose of finding the value of.
If the mirrors are exactly parallel - there will be an infinite number of images, as they will be reflected indefinitely.
The constant variable is usually the 'X' variable or the variable that stays the same. For example, it may be the 'X' variable or the same number.
The history of this is confused. The first irrational number found was almost certainly root 2. The man who proved this was probably Hippasus.Hippasus died by drowning, and some stories say that Pythagoras drowned him for proving the existence of an irational number which he thought was impossible. Others say that Pythagoras ordered the drowning of Hippasus for revealing the existence of an irrational number which should be kept fron public knowledge.
A place where beehives are kept is typically called an apiary or a bee yard.
An apiary.
A place where bees are kept, usually a collection of beehives.
Honey bees are kept in beehives by beekeepers but their natural habitat is in forests, usually within the hollow of an old tree.
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The land where a collection of beehives are kept is an apiary.
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An apiary
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