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Subjects
Mathematics CBSE
Class 9
Number System
Textbook Questions
32.
Exemplar Exercise Problems X
Exercise condition:
4
m.
Find which of the variables
x, y, z
and
u
represent rational numbers and which irrational numbers :
(i)
x^2 = 5
is
(ii)
y^2 = 9
is
(iii)
z^2 = .04
is
(iv)
u^2=\frac{17}{4}
is
Answer variants:
a rational number
an irrational number
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