Which one of the following is not true.
When x is not a perfect square, √x is an irrational number
The index form of
The radical
Every real number is an irrational number
The exponential form of log 216 = 4 is
24 = 16
42 = 16
22 = 4
416 = 2
is equal to
2
Which of the following are irrational numbers:
(ii),(iii),(iv)
(i), (ii) and (iv)
(i), (ii) and (iii)
(i), (iii), (iv)
Which one of the following has a terminating decimal expansion?
The decimal form of 2.57 × 103 is
257
2570
25700
257000
Which one of the following is not a surd?
The rationalizing factor of is
Decimal form of is
-0.75
-0.50
-0.25
-0.125
