I have seen two approaches to the method of integration by substitution (in two different books). On searching the internet i came to know that Approach I is known as the method of integration by direct substitution whereas Approach II is known as the method of integration by indirect...
@jim mcnamara, Nope this is not homework. I was just trying to figure out the steps to draw resonance structures of any compound, that is, the rules for "delocalising" the electrons.
@DrDu, but the electrons are delocalised (due to which they can move). Aren't they? If these rules are wrong then how does one draw the resonance structures of a compound?
In my chemistry study material a set of rules to draw resonance structures are given. They are:
(1) Only electrons move. The nuclei of the atoms never move.
(2) The only electrons that can move are pi electrons (electrons in pi bonds) and lone-pair electrons.
(3) The total number of electrons...
1. Homework Statement :
A person aims a gun at a bird from a point at a horizontal distance of 100m. If the gun can impart a speed of 500m/s to the bullet , then above what height of the bird he should aim his gun to hit it ?
2. Homework Equations :
H_{max}=\frac{u^2\sin^2\theta}{2g}...
I am getting cos(θ)=3/[sqrt{5(5+5t^2−8t)}]. I am not posting my attempt because it is very lengthy and on top of that i do not know how to type them properly.