RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 9. Continuity

Subject: Maths - Class 12th

Q. No. 2 of MCQ

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2

Mark the correct alternative in the following:

If f(x) = |x – a| ϕ(x), where ϕ(x) is continuous function, then


Formula:-


(i) A function f(x) is said to be continuous at a point x=a of its domain, iff


(ii) for right hand derivative


) for left hand derivative


Given:-


f(x) = |x – a| ϕ(x)


using formula (ii)




For L.H.L



Chapter Exercises

Exercise 9.1
Exercise 9.2
Very short answer
MCQ

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9

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17

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19

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26

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30

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33

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34

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37

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