what is surds

Asked by pradeepkundlimaker | 18th Aug, 2015, 10:05: PM

Expert Answer:

  1. A surd is an irrational root of a rational number. Thus begin mathsize 14px style n-th root of a end style is a surd provided n > 1 and a ≠ bn for any rational number.
  2. Every surd is an irrational number, but every irrational number is not a surd. pi is an irrational number but not a surd.

 

  1. A number of the form begin mathsize 14px style n-th root of a end style is called a surd of the order or index n, where a is the radicand of the surd.

Answered by Rashmi Khot | 19th Aug, 2015, 08:50: AM