Let p(n)=12+22+32+....+n2= n(n+1)(2n+1)/ 6 For n = 1, the statement reduces to 12 =1 · 2 · 3/6 and is obviously true. Assuming the statement is... View Article
The whole numbers are the numbers without fractions and it is a collection of positive integers and zero. It is represented by the symbol “W” and... View Article
The LCM is the smallest positive number that all the numbers divide into evenly. Write out the multiples of 4,5 and 10 multiples of 4: 4, 8, 12,... View Article
As the sum of the digits of 57 is 12, a multiple of 3, hence, 57 is divisible by 3. 57 divided by 3, 19, gives no remainder. They are integers... View Article
The angle between the initial and final directions of motion of a scattered particle is called scattering angle. Also known as scatter angle.... View Article
Structure of DNA was established by James Watson and Francis Crick. The shape of DNA is a double helix.DNA is made of repeating subunits called... View Article
Fluorine atoms have 9 electrons and the shell structure is 2.7. The ground state electron configuration neutral fluorine is [He]. 2s2. 2p5 The... View Article
Answer: Zinc has 30 protons and 35 neutrons, so its overall mass number of zinc is 65 atomic mass units. Zinc is an important trace element... View Article
Nerve impulse travels in one direction because nerve cells (neurons) connect to each other by synapse. The synapse (neurotransmitter vesicle)... View Article
The chemical bond formed by the transfer of electrons from one atom to another is known as an ionic bond. An ionic bond is formed when one of the... View Article
Matter can exist in one of three main states: solid, liquid, or gas. In extreme environments, other states may be present, such as plasma,... View Article
The nervous system is very complex, nervous tissue consists of just two basic types of nerve cells: neurons and glial cells. Neurons are the... View Article
An alkoxide is an organic functional group formed when a hydrogen atom is removed from a hydroxyl group of alcohol when reacted with a metal.... View Article
Simple harmonic motion is the motion in which the object moves to and fro along a line. In the simple harmonic motion, the displacement of the... View Article