NCERT Solutions for Class 12 Maths Chapter 5 Exercise 5.1

NCERT Solutions for Class 12 Maths Chapter 5 Exercise 5.1 Continuity and Differentiability in English medium free to download or use online updated for new academic session 2020-2021. In this chapter you will find the point of discontinuity of a function using left hand limit and right hand limits. कक्षा १२ गणित के पाठ ५ की प्रश्नावली ५.१ सांतत्य तथा अवकलनीयता के हल हिंदी में नीचे दिए गए हैं। इस प्रश्नावली में बाएँ पक्ष के सीमा तथा दाएँ पक्ष की सीमा ज्ञात करके हम किसी फलन के सांतत्य की जाँच कर सकते हैं। Download NCERT Books and offline apps for offline use.

If the left hand limit (LHL), right hand limit (RHL) and the value of function at any point is same, the function is called a continuous function at that point. For the functions containing modulus function, it is better to redefine the function on the basis of the range of modulus and then check the continuity of the function. Polynomial function, sine, cosine functions are always continuous at all real values. If any function is already continuous, then we can find the unknown values (just like question number 26 to question 29), by using the relation LHL = RHL = f(x) at the point where the function is continuous.

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