Consider the following: 1.x+x^{2} is continuous at x=0 2. x+\cos \frac{1}{x} is discontinuous at x=0 3. {x}^{2}+\cos \frac{1}{x} Which of the following are correct? [NDA II 2017]

Correct Answer is : 1 and 2 only

NDA Math Limit, Continuity and Differentiability

Question : 43 of 105

Marks: +1, -0

Consider the following:
1.x+x2 is continuous at x=0
2. x+cos‌‌

is discontinuous at x=0
3. x2+cos‌‌

Which of the following are correct?

[NDA II 2017]

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