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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Mark the correct alternative in the following:

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


(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


f(x) = |x – a| ϕ(x)

using formula (ii)

For L.H.L

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