Rationalise the denominator of 3/√5.
3
3√5/5
3/√5
3√5
5 - 3√2
None of these
The union of set of rational numbers and the set of irrational numbers is called the set of _______.
Real numbers
Rational numbers
Irrational numbers
<
>
=
None
Rationalise the denominator of
√3
√2
√3 + √2
√3 - √2
If x = 5 - 4 √6, then 1/x = ______.
The reciprocal of (-2/5)3 = ___________
-8/15
125/8
-125/8
3 + 2√2
1 +2√2
3 - 2√2
1 - 2√2
The lowest rationalising factor of 5√2 is _______.
5√2
5
2
√2 is ___________
a natural number
a rational number
an irrational number
