( √3 - √2 )2 is a /an _____ number.
Rational
Irrational
Real
None
Simplify
39√3+1
78√3
Rationalise the denominator of 3/√5.
3
3√5/5
3/√5
3√5
One rational number between 3 and 4 is ______.
12
7
7/2
1/2
The lowest rationalising factor of 5√2 is _______.
5√2
5
2
√2
3√5 ____ 4√3
<
>
=
The expression of 81/256 in powers is ___________
Two rational numbers a/b and c/d are equal iff ______.
ad = bc
ac = bd
ab = cd
None of these
5 - 3√2
(7/2)o × 2 =
0