Question

variables are denoted usually by
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Answer 1

Answer:

In mathematics, the variables are generally denoted by a single letter. However, this letter is frequently followed by a subscript, as in x2, and this subscript may be a number, another variable (xi), a word or the abbreviation of a word (xin and xout), and even a mathematical expression.

Step-by-step explanation:

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Answer 2

Answer:

single letter

Step-by-step explanation:

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