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What is the normal direction of the impulse through the conduction system of the heart for each cardiac cycle
\(x\)
A symbol commonly used to denote a variable in equations and functions.
Binomial Theorem
A fundamental theorem in algebra that describes the algebraic expansion of powers of a binomial.
Expression
A phrase in math that is composed of common numerals, variables (for instance x or y), and mathematical functions (including adding, subtracting, multiplying, and dividing).
\(u\)
Typically used to represent a variable in equations or functions, especially in contexts involving multiple variables.
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