Mathematics · Differentiability
If a function f is differentiable at x = a, then limx→a [x f(a) - a f(x)] / (x - a) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1f'(a) - a f(a)
- 2a f(a) + f'(a)
- 3a f(a) - f'(a)
- 4f(a) - a f'(a)✓
Correct answer
f(a) - a f'(a)
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