Evaluate- lim x- 1 - 1-cos 2 x-1 x-1

The correct option is D exists and it equals √(2) lim_x → 1√(1 cos 2( x 1))x 1 ( ÷ form) = lim_x → 1√(2sin^2( x 1))x 1 ....... ...

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Factorization Method Form to Remove Indeterminate Form

Evaluate: l...

Question

Evaluate: $lim x \to 1 \frac{\sqrt{1 - cos 2 (x - 1)}}{x - 1}$

exists and it equals

\sqrt{2}

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exists and it equals

- \sqrt{2}

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does not exist because

x - 1 \to 0

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does not exist because left hand limit is not equal to right hand limit

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