NCERT Solutions for Class 11 Maths Chapter 15 Exercise 15.2

Uses of Boron and Aluminium and Their Compounds: Boron and Aluminium belong to the \({\rm{p}}\) block of the periodic table and are in the \({13^{{\rm{th}}}}\)...

Occurrence of Group 16 Elements: Six elements make up Group \(16\) of the extended periodic table: oxygen, sulphur, selenium, tellurium, polonium, and ununhexium. The oxygen...

The integument or skin is an elastic and waterproof organ. It is continuous with the mucous membrane of the mouth, rectum, urogenital organs, nostrils and eyelids. The thickness...

How do other organisms breathe? Do they also have lungs like human beings? There are some animals called amphibians that can survive on land as...

Geometry and Locus: Geometric shapes and entities are defined in modern Mathematics as a collection of points that satisfy a given criterion. The word locus...

NCERT Book for Class 10 History: CBSE board prescribes NCERT books for classes 1 to 12. NCERT books are curated to provide students with the...

CBSE Class 10 Notes: Referring to self-prepared notes is really important for students who are due to appear for class 10 boards. These notes not...

CBSE Class 10 Maths Sample Paper: The Central Board of Secondary Education (CBSE) has provided online CBSE sample papers for Class 10 Maths to support...

NCERT Books Class 10 Science 2024-25: CBSE and many state education boards prescribe the NCERT books for Class 10. The NCERT curriculum aims at building...

NCERT Books for Class 10: The Central Board of Secondary Education (CBSE) prescribes the NCERT books for all classes. The Class 10 NCERT books are...

Integration of rational and irrational functions: We are familiar with functions and their derivatives. We often are not given an expression for a function, \(f\left( x...

Interference of Light and Superposition Principle: One of the most important characteristics of light waves is their ability, under certain conditions, to interfere with one...

Correlation Coefficient: Correlation investigates the relationship, or association, between two variables by examining how the variables change about one another. Correlation analysis is a method...

Basic Terms Related to Angle: The most common word used in more than one chapter of Mathematics is 'angle'. We have been using it verbally, in...

Earth's Magnetism: Did you ever lose the sense of direction on any trekking? In such a situation, a magnetic compass will come to your rescue;...

Magnesium Oxide Formula: Magnesium oxide, also known as 'Magnesia,' is an ionic compound formed by the metal (Magnesium) and non-metal (Oxygen) by transfer of electrons...

Boiling Point of Water: We are familiar with the word boiling point. What does it mean? Well, here is the answer: The temperature at which...

Proportion: When two ratios are equal, we can say the ratios are in proportion. There are two types of proportion, direct proportion and inverse proportion....

Third Law of Thermodynamics: Translational, rotational, and vibrational molecular motions can occur among the atoms, molecules, or ions that make up a chemical system. The...

Economic Importance of Artificial Propagation: Have you ever thought about how you can grow different colours of fruits and vegetables with desirable characters? It is...

Zinc Chloride Formula: In chemical compounds, zinc almost exclusively has the oxidation state \( + 2\,\) Some \( + 1\) state zinc compounds have been...

Construction of index numbers: There are two ways to construct an index number. They are weighted and unweighted methods of construction. It can also be calculated...

Spearman's Rank Correlation Coefficient: While calculating the correlation coefficient or product-moment correlation coefficient, it is assumed that both characteristics are measurable. But, in reality, some...

Differentiation of Different Types of Functions: We use the concept of derivatives to express the rate of change in any function, such as identity, trigonometric,...

Differentiation of determinants: We know that the equations in two variables can be solved quickly. But if the number of variables is three or more,...

Methods of solving first order, first degree differential equation: Differential equations have several real life applications such as in computing the movement or flow of...

Geometric Mean and Useful Result: In mathematics and statistics, measures of central tendencies describe the summary of whole data set values. The most important measures...