English

Limx→πsinxx-π is equal to ______.

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Question

`lim_(x -> pi) sinx/(x - pi)` is equal to ______.

Options

  • 1

  • 2

  • – 1

  • – 2

MCQ
Fill in the Blanks
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Solution

`lim_(x -> pi) sinx/(x - pi)` is equal to – 1.

Explanation:

Given, `lim_(x -> pi) sinx/(x - pi)`

= `lim_(x -> pi) (sin(pi - x))/(-(pi - x))`

= – 1  .....`[because  lim_(x -> 0)  sinx/x = 1  "and"  pi - x -> 0 ⇒ x -> pi]`

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Chapter 13: Limits and Derivatives - Exercise [Page 242]

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NCERT Exemplar Mathematics Exemplar [English] Class 11
Chapter 13 Limits and Derivatives
Exercise | Q 54 | Page 242

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