词条 | Constant multiple rule |
释义 | {{Unreferenced|date=October 2017}}{{Calculus|differential}} In calculus, the constant factor rule in differentiation allows one to take constants outside a derivative and concentrate on differentiating the function of x itself. This is a part of the linearity of differentiation. Consider a differentiable function where k is a constant. Use the formula for differentiation from first principles to obtain: This is the statement of the constant factor rule in differentiation, in Lagrange's notation for differentiation. In Leibniz's notation, this reads If we put k = −1 in the constant factor rule for differentiation, we have: 1 : Differentiation rules |
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