Examlex
The central engine of an active galaxy is less than a parsec in diameter.
Combine
To join two or more items together to form a single entity or to merge separate elements into a cohesive whole.
Simplify
The process of writing an expression in a more compact or simplified form without changing its value, by performing all possible operations and reducing complexity.
Missing Factor
Refers to an unknown quantity in multiplication that, when multiplied with a known quantity, yields a given product.
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