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Class 11 NCERT Solutions- Chapter 9 Sequences And Series - Exercise 9.3 | Set 2

Last Updated: 19 April 2021

Question 17. If the 4th, 10th and 16th terms of a G.P. are x, y, and z, respectively. Prove that x, y, z are in G.P.Solution:Let the first t ...read more

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NCERT Solutions Class-11

Class 11 NCERT Solutions- Chapter 9 Sequences And Series - Miscellaneous Exercise On Chapter 9 | Set 1

Last Updated: 01 April 2021

Question 1. Show that the sum of (m + n)th and (m – n)th terms of an A.P. is equal to twice the mth term.Solution:Let the first term and c ...read more

NCERT Solutions Class-11

Class 11 NCERT Solutions- Chapter 5 Complex Numbers And Quadratic Equations - Miscellaneous Exercise on Chapter 5 | Set 1

Last Updated: 01 April 2021

Question 1. Evaluate[Tex]\left[i^{18}+\left(\frac{1}{i}\right)^{25}\right]^3[/Tex]Solution:[Tex]\displaystyle\left[i^{18}+\left(\frac{1}{i}\ ...read more

NCERT Solutions Class-11

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Class 11 NCERT Solutions- Chapter 3 Trigonometric Function - Miscellaneous Exercise on Chapter 3

Last Updated: 03 April 2024

Prove That:Question 1. 2cos(π/13)cos(9π/13) + cos(3π/13) + cos(5π/13) = 0Solution:Let's take L.H.S = 2cos(π/13)cos(9π/13) + cos(3π/13 ...read more

NCERT Solutions Class-11

Class 11 NCERT Solutions- Chapter 11 Conic Section - Miscellaneous Exercise on Chapter 11

Last Updated: 12 March 2021

Question 1. If a parabolic reflector is 20 cm in diameter and 5 cm deep, find the focus.Solution:The origin of the coordinate plane is taken...read more

NCERT Solutions Class-11

Class 11 NCERT Solutions- Chapter 12 Introduction to three dimensional Geometry - Miscellaneous Exercise on Chapter 12

Last Updated: 12 March 2021

Question 1: Three vertices of a parallelogram ABCD are A(3, – 1, 2), B (1, 2, – 4), and C (– 1, 1, 2). Find the coordinates of the fou...read more

NCERT Solutions Class-11

Class 11 NCERT Solutions- Chapter 8 Binomial Theorem - Exercise 8.1

Last Updated: 03 March 2021

Theorem 1:(a+b)n =[Tex]\sum_{k=0}^{n}[/Tex]nCk an-k bkHere, the coefficients nCk are known as binomial coefficients.Theorem 2:(a–b)n =[Tex ...read more

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NCERT Solutions Class-11

Class 12 NCERT Solutions- Mathematics Part I - Chapter 6 Application of Derivatives -Exercise 6.3 | Set 2

Last Updated: 04 April 2024

Content of this article has been merged with Chapter 6 Application of Derivatives -Exercise 6.3 as per the revised syllabus of NCERT.Questio ...read more

NCERT Solutions Class-12

Class 11 NCERT Solutions- Chapter 11 Conic Section - Exercise 11.4

Last Updated: 09 March 2021

In each of the Exercises 1 to 6, find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of t ...read more

Technical Scripter 2020

NCERT Solutions Class-11

Class 12 NCERT Solutions- Mathematics Part I - Chapter 2 Inverse Trigonometric Functions - Exercise 2.2 | Set 2

Last Updated: 03 April 2024

Content of this article has been merged with Chapter 2 Inverse Trigonometric Functions - Exercise 2.2 as per the revised syllabus of NCERT.F ...read more

Technical Scripter 2020

NCERT Solutions Class-12

Class 10 NCERT Solutions- Chapter 6 Triangles - Exercise 6.5 | Set 1

Last Updated: 01 May 2024

Question 1. Sides of triangles are given below. Determine which of them are right triangles? In the case of a right triangle, write the leng...read more

NCERT Solutions Class-10

Class 12 NCERT Solutions- Mathematics Part I - Chapter 3 Matrices - Exercise 3.4 | Set 2

Last Updated: 03 April 2024

Content of this article has been merged with Chapter 3 Matrices - Exercise 3.4 as per the revised syllabus of NCERT.Question 11.[Tex]\begin{ ...read more

NCERT Solutions Class-12

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Class 12 NCERT Solutions- Mathematics Part I - Chapter 1 Relations And Functions - Exercise 1.1 | Set 2

Last Updated: 03 April 2024

Content of this article has been merged with Chapter 1 Relations And Functions - Exercise 1.1 as per the revised syllabus of NCERT.Question ...read more

NCERT Solutions Class-12

Class 9 NCERT Solutions- Chapter 7 Triangles - Exercise 7.4

Last Updated: 01 May 2024

Question 1. Show that in a right-angled triangle, the hypotenuse is the longest side.Solution:Given: Right angle triangle intersect ∠B=90�...read more

NCERT Solutions Class-9

Class 9 NCERT Solutions- Chapter 13 Surface Areas And Volumes - Exercise 13.9

Last Updated: 28 December 2020

Question 1: A wooden bookshelf has external dimensions as follows: Height = 110cm, Depth = 25cm, Breadth = 85cm (see fig. 13.31). The thickn...read more

NCERT Solutions Class-9

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