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Limx→0(1+x)n-1x is equal to ______. - Mathematics

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प्रश्न

`lim_(x -> 0) ((1 + x)^n - 1)/x` is equal to ______.

विकल्प

  • n

  • 1

  • – n

  • 0

MCQ
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उत्तर

`lim_(x -> 0) ((1 + x)^n - 1)/x` is equal to n.

Explanation:

Given `lim_(x -> 0) ((1 + x)^n - 1)/x`

= `lim_(x -> 0) ((1 + x)^n - (1)^n)/((1 + x) - (1))`

= `lim_(1 +  x -> 1) ((1 + x)^n - (1)^n)/((1 + x) - (1))`

= `n(1)^(n - 1)`

= `n[lim_(x -> a) (x^n - a^n)/(x - a) = na^(n - 1)]`

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अध्याय 13: Limits and Derivatives - Exercise [पृष्ठ २४२]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 11
अध्याय 13 Limits and Derivatives
Exercise | Q 56 | पृष्ठ २४२

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