Search our library of homework questions

Top answers

All subjects

All levels

Show that (sqrt(3) + sqrt(75))^{2} = 108

The key here is to simplify the left hand side. There are two different approaches to take here, one slightly faster but both perfectly legitimate. First approach: Remember the formula (a + b)^{2} = a^{2}...

Answered by Callum B. • Maths tutor

6053 Views

Compute the integral of f(x)=x^3/x^4+1

A basic function of integration states that: for a function f(x), the integral of f'(x)/f(x) = ln[f(x)] (the natural log of the modulus of f(x)). Take the denominator of f(x), x⁴+1. We will ref...

Answered by Tyla D. • Maths tutor

3424 Views

When do you use the present continuous in Italian?

The presend continuous in Italian is used for an action that is taking place at the time of speaking. For example: "sto mangiando una mela": I am eating an apple, this means that you are eating ...

Answered by Chiara P. • Italian tutor

4294 Views

A curve has parametric equations x = 1 - cos(t), y = sin(t)sin(2t) for 0 <= t <= pi. Find the coordinates where the curve meets the x-axis.

If the curve is meeting the x-axis, notice that this means y = 0. So we must solve sin(t)sin(2t) = 0 for t within the given bounds. Using a trigonometric identity sin(2t) = 2cos(t)sin(t), we obtain sin

Answered by Callum B. • Maths tutor

15475 Views

How does Angela Carter's "The Bloody Chamber" rewrite gothic tales according to a feminist agenda?

Carter's intentions for reimagining of the Gothic genre in her 1979 collection of short stories The Bloody Chamber can be more clearly understood when considering her political motives - she was ...

Answered by Alex L. • English tutor

7922 Views