UPSC NDA II 2018 Mathematics Solved Paper
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Question : 3 of 120
Marks:
+1,
-0
Consider the following expressions:
1.x + x 2 −
2.√ a x 2 + b x + x − c +
−
3.3 x 2 − 5 x + a b
4.
5.
−
Which of the above are rational expressions?
1.
2.
3.
4.
5.
Which of the above are rational expressions?
[NDA II 2018]
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