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单词 differentiation
释义 differentiation
The process of finding the derivative of a function in differential calculus. If
y = f(x)
, the derivative of y, written dy/dx or f'(x), is equal to the limit as Δx→ 0 of [f(x + Δx) - f(x)]/Δx. In general, if
y = xn
, then
dy/dx = nxn-1
. On a graph of
y = f(x)
, the derivative dy/dx is the gradient of the tangent to the curve at the point x
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更新时间:2025/6/23 21:20:40