English

Evaluate the following limit. limz→1z13-1z16-1

Advertisements
Advertisements

Question

Evaluate the following limit.

`lim_(z -> 1) (z^(1/3) - 1)/(z^(1/6) -1)`

Sum
Advertisements

Solution

We have, `lim_(z -> 1) (z^(1/3) - 1)/(z^(1/6) -1)` `(0/0 "form")`

= `lim_(z -> 1) ((z^(1/6))^2 - 1)/((z^(1/6) -1))`

= = `lim_(z -> 1) ((z^(1/6) - 1)(z^(1/6) + 1))/((z^(1/6) -1))`

= `lim_(z->1) (z^(1/6) + 1)`

= `1^(1/6) + 1`

= 1 + 1

= 2

shaalaa.com
  Is there an error in this question or solution?
Chapter 12: Limits and Derivatives - EXERCISE 12.1 [Page 237]

APPEARS IN

NCERT Mathematics [English] Class 11
Chapter 12 Limits and Derivatives
EXERCISE 12.1 | Q 10. | Page 237
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×