Top answers


Hamlet portrays a world in which little is what it appears to be. Discuss.

Opening Lines and Essay Structure for A-Level English Essay. Hamlet is a play rooted in and riddled with deception. The characters within this play ceaselessly deceive and connive and as a result reality mer...
MH
Answered by Max H. English tutor
2339 Views

How do I calculate the eigenvalues and eigenvectors of a 2x2 matrix, and what is the point of doing this calculation?

We find the eigenvalues (here called "k") by solving the characteristic equation det(M - kI) = 0. For a 2x2 matrix ((a, b), (c,d)) the determinant is a d - b c, we set this equal to zero and solve ...
TD
Answered by Tutor120184 D. Maths tutor
5629 Views

The intermolecular interactions between halogen molecules are Van der Waals' forces. Explain how these Van der Waal's forces arise between halogen molecules.

Electrons are mobile or move in halogen molecules. Therefore, there can be an uneven distribution of electrons or electron density in halogen molecules (1 mark). This creates a temporary or instantaneous dip...
AL
Answered by Andrew L. Chemistry tutor
10214 Views

Find the derivative of y=e^(2x)*(x^2-4x-2).

Notice that y can be expressed as y=f(x)g(x), in which f(x)=e^(2x) and g(x)=x^2-4x-2.Through the product rule, we know that dy/dx=f'(x)g(x)+f(x)g'(x).Through the chain rule, we can solve f(x) by rewriting in...
SH
Answered by Samuel H. Maths tutor
9314 Views

Solve x^2+4x-5=0

Two approaches.1.Note that the equation is a quadratic equation, and can thus be solved per the quadratic formula, in which the solutions are given to be (-b+-sqrt(b^2-4ac))/2a.Plugging in the values from th...
SH
Answered by Samuel H. Maths tutor
4872 Views