some important definitions

The branch of science, which deals with the study of matter, its composition, its properties and the changes that it undergoes in composition as well as in energy during various processes, is defined as chemistry. It has been further divided into different branches depending upon specialized ..

Vitamin A This is a fat soluble vitamin which is present mostly in animals. Its provitamins carotenes are found in plants. Vitamin A is necessary for vision and proper growth. It is necessary for maintenance of proper immune system to fight various infections. Cholesterol synthesis req..

Relation between nearest neighbor distance (d) and edge length (a) of a unit cell in a cubic crystal..

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Degree and order of a differential equation How to form a differential equation Types of differential equations and their general solution..

If the product of three numbers in GP is given, take the term as a/r, a, ar. But if the product of the numbers is not given, the terms are in the ordinary for..

Axioms : The self-evident truths or the basic facts which are accepted without any proof are called axiom..

If the product of three numbers in GP is given, take the term as a/r, a, ar. But if the product of the numbers is not given, the terms are in the ordinary for..

a) Prove cot 2 q + 1 = cosec 2 q . We know that cos 2 q + sin 2 q = 1 ...(1) also Divide (1) by sin 2 q on both sides (sin q 0), then b) Prove that 1 + tan 2 q = sec 2 q . The following has to be committed to memory 1) sin 2 q + cos 2 q = 1 2) sec 2 q - tan 2..