The coefficient is called the constant of variation because it represents the constant rate at which one quantity changes in relation to another quantity. In mathematical terms, the coefficient represents the ratio of the dependent variable to the independent variable. For example, in the equation y = kx, where y is the dependent variable and x is the independent variable, the coefficient k represents the constant rate of change between y and x.
The coefficient is called the constant of variation because it signifies the constant ratio at which one variable changes in relation to another. In direct variation equations, this coefficient represents the relationship between the dependent and independent variables. The value remains unchanged for specific conditions, ensuring a consistent rate of change throughout.
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B.J. Habibie menemukan teori crack propagation atau yang dikenal dengan Habibie Factor, yaitu metode untuk menghitung dan memprediksi penyebaran retakan mikro pada badan pesawat secara akurat agar struktur pesawat bisa dibuat lebih ringan namun tetap aman, yang kemudian diadopsi oleh industri penerbangan dunia dan menjadikannya dijuluki "Mr. Crack".