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_{{{x}{1}}}{{{{1}-{{{2}}}{({x}-{1})}}}}{{{x}-{1}}} a. exists a

Question

$x \to 1 lim \frac{1 - cos 2 ( x - 1 )}{x - 1}$ a. exists and its equals $2$ b. exists and its equals $- 2$ c.does not exist because $x - 1 \to 0$ d. L.H.L not equal R.H.L

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x \to 1 lim \frac{1 - cos 2 ( x - 1 )}{x - 1}

a. exists and its equals

2

b. exists and its equals

- 2

c.does not exist because

x - 1 \to 0

d. L.H.L not equal R.H.L

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Question Text

x \to 1 lim \frac{1 - cos 2 ( x - 1 )}{x - 1}

a. exists and its equals

2

b. exists and its equals

- 2

c.does not exist because

x - 1 \to 0

d. L.H.L not equal R.H.L

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