JEE MATHEMATICS MCQ: LIMITS

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Analyzing +4 | -1

\lim\limits_{x \to 0} \frac{{x\left( {1 + a\cos x} \right) - b\sin x}}{x} = 1

, then

a,\;b

are

View answer and explanation

Correct option: D

None of these

Option D (None of these) is correct because the given condition leads to a = b, and none of the provided options satisfy this condition.

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