RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 9. Continuity

Subject: Maths - Class 12th

Q. No. 42 of MCQ

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42

Mark the correct alternative in the following:

If is


Continuous at then k is equal to


Formula:-


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



(ii) Standard limits


(iii) , where ,


Given:-



Now at x=




Using substitution method


Let



Using formula (iii)



Chapter Exercises

Exercise 9.1
Exercise 9.2
Very short answer
MCQ

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