wiz-icon
MyQuestionIcon
MyQuestionIcon
5
You visited us 5 times! Enjoying our articles? Unlock Full Access!
Question

State which of the following are pure surds and mixed surds:
21

A
Pure surd
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Mixed surd
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Not a surd
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
None of the above
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A Pure surd
A surd in which the whole of the rational number is under the radical sign and makes the radicand, is called pure surd.
In other words a surd having no rational factor except unity is called a pure surd or complete surd
Thus,21 is a pure surd.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Rationalizing the Denominator
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon