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Computing Derivatives

Computing Derivatives

Derivative of a Sum (or Difference) of Functions Examples

Example 1

Let f(x) = sin x + cos x. Find f ' (x).

Example 2

Let f(x) = sin x – cos x. Find f ' (x).

Example 3

Find the derivative of the polynomial f(x) = 5x3 – 4x2.

Example 4

Find the derivative of the polynomial

f(x) = 6x7 + 5x4 – 3x2 + 5.

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