. Differential and integral calculus, an introductory course for colleges and engineering schools. hich is thus defined:The derivative of a function is the limit of the ratio increment of function —^—— ——-——-—— 9 increment of argument as these increments approach the limit zero. The derivative of f(x) is denoted by f(x) or Df(x), and the de-rivative of y by y or Dy, the D standing for the word derivative. 34 DIFFERENTIAL CALCULUS §22 Using the notation for increments just explained, we may expressour definition as follows: /(») or I>m - lim *&*. - lim ** + *? ~ *°), Aa;=0 AiC Ax=0 Aa? At/ y
GLIX-115-2CEK48A
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. Differential and integral calculus, an introductory course for colleges and engineering schools. hich is thus defined:The derivative of a function is the limit of the ratio increment of function —^—— ——-——-—— 9 increment of argument as these increments approach the limit zero. The derivative of f(x) is denoted by f(x) or Df(x), and the de-rivative of y by y or Dy, the D standing for the word derivative. 34 DIFFERENTIAL CALCULUS §22 Using the notation for increments just explained, we may expressour definition as follows: /(») or I>m - lim *&*. - lim ** + *? *°), Aa;=0 AiC Ax=0 Aa? At/ y