Top answers

Integrate x*ln(x)

This example provides us with a better understanding of how "Integration by parts" works. Building an extensive knowledge of Integral calculus requires a lot of work, but once the basics are fully ...
MM
Answered by Maximilian M. • Maths tutor
7196 Views

How many different ways are there to seat 6 people at a round table?

First, let's think of how many different possibilities we have to seat 6 people at a 'normal' table, i.e. in a straight line. Let's call the people A, B, C, D, E, F. We now have 6 seats: __ __ __ __ __ When ...
SB
26288 Views

A yacht is sailing through water that is flowing due west at 2m/s. The velocity of the yacht relative to the water is 6m/s due south. The yacht has a resultant velocity of V m/s on a bearing of theta. Find V and theta

First we make a sketch of the situation. Then we notice that V can be found by using Pythagoras. Finally, we find theta using the definition of a tan.
KG
Answered by Kestutis G. • Physics tutor
2893 Views

Find the values of x for the equation: x^2 - 8x = 105

When presented with an equation that involves x^2, it is likely to be a quadratic equation. This leads us to rearrange to the equation above into the form of ax^2 + b + c = 0. Therefore the equation can be r...
DM
Answered by Dhulaxy M. • Maths tutor
6909 Views

What are causes of exchange rate fluctuations?

Causes of exchange rate fluctuations: - short term - changes in the demand and supply of the currency in the FOREX markets. (mainly due to speculations). - longer term - exports, imports, capital flows - tha...
JR
Answered by Julia R. • Economics tutor
7719 Views