Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2

Balbharati Maharashtra State Board 11th Commerce Maths Solution Book Pdf Chapter 7 Limits Ex 7.2 Questions and Answers.

Maharashtra State Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2

I. Evaluate the following limits:

Question 1.
\(\lim _{z \rightarrow 2}\left[\frac{z^{2}-5 z+6}{z^{2}-4}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 I Q1

Question 2.
\(\lim _{x \rightarrow-3}\left[\frac{x+3}{x^{2}+4 x+3}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 I Q2
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 I Q2.1

Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2

Question 3.
\(\lim _{y \rightarrow 0}\left[\frac{5 y^{3}+8 y^{2}}{3 y^{4}-16 y^{2}}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 I Q3

Question 4.
\(\lim _{x \rightarrow-2}\left[\frac{-2 x-4}{x^{3}+2 x^{2}}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 I Q4

II. Evaluate the following limits:

Question 1.
\(\lim _{u \rightarrow 1}\left[\frac{u^{4}-1}{u^{3}-1}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 II Q1

Question 2.
\(\lim _{x \rightarrow 3}\left[\frac{1}{x-3}-\frac{9 x}{x^{3}-27}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 II Q2

Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2

Question 3.
\(\lim _{x \rightarrow 2}\left[\frac{x^{3}-4 x^{2}+4 x}{x^{2}-1}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 II Q3

III. Evaluate the following limits:

Question 1.
\(\lim _{x \rightarrow-2}\left[\frac{x^{7}+x^{5}+160}{x^{3}+8}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 III Q1
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 III Q1.1

Question 2.
\(\lim _{y \rightarrow \frac{1}{2}}\left[\frac{1-8 y^{3}}{y-4 y^{3}}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 III Q2

Question 3.
\(\lim _{v \rightarrow \sqrt{2}}\left[\frac{v^{2}+v \sqrt{2}-4}{v^{2}-3 v \sqrt{2}+4}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 III Q3
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 III Q3.1

Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2

Question 4.
\(\lim _{x \rightarrow 3}\left[\frac{x^{2}+2 x-15}{x^{2}-5 x+6}\right]\)
Solution:
Maharashtra Board 11th Commerce Maths Solutions Chapter 7 Limits Ex 7.2 III Q4