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Question
`lim_("x" -> 0)(1 - "cos x")/"x"^2` is equal to ____________.
Options
`1/2`
-1
0
1
MCQ
Fill in the Blanks
Solution
`lim_("x" -> 0)(1 - "cos x")/"x"^2` is equal to `underline(1/2)`.
Explanation:
`lim_("x" -> 0)(1 - "cos x")/"x"^2`
`lim_(x -> 0) "sin x"/(2"x") = 1/2` (Using L’hospital Rule ).
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