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Consider the following expression : (...

Consider the following expression :
(1) `x + x^(2) - (1)/(x)`
(2). `sqrt(ax^(2)+bx+x-c+(d)/(x)-(e)/(x^(2)))`
(3). `3x^(2) - 5x + ab`
(4) `(2)/(x^(2)-5x+ab)`
(5) `(1)/(x) - (2)/(x+5)`
Which of the above are rational expression.

A

a) 1.4 and 5 only

B

b) 1.3.4 and 5 only

C

c) 2.4 and 5 only

D

d) 1 and 2 only

Text Solution

Verified by Experts

The correct Answer is:
B
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