English

State, with Reason, of the Following is Surd Or Not : Root(5)(128) - Mathematics

Advertisements
Advertisements

Question

State, with reason, of the following is surd or not : 
`root(5)(128)`

Sum

Solution

`root(5)(128) = root(5)(2 xx 2xx 2 xx 2 xx 2 xx 2 xx 2) = 2 root(5)(4)`

∴ `root(5)(128)` is a surds. 

shaalaa.com
Surds
  Is there an error in this question or solution?
Chapter 1: Rational and Irrational Numbers - Exercise 1 (C) [Page 21]

APPEARS IN

Selina Concise Mathematics [English] Class 9 ICSE
Chapter 1 Rational and Irrational Numbers
Exercise 1 (C) | Q 1.3 | Page 21
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×