Top answers


Solve the following complex equation: '(a + b)(2 + i) = b + 1 + (10 + 2a)i' to find values for 'a' and 'b'

The first step with this question is to expand all the brackets; this will produce the following equation: 2a + ai + 2b + bi = b + 1 + 10i + 2ai The next step is to put all the terms which contain what you'r...
SM
15940 Views

Find the general solution of the differential equation d^2y/dx^2 - 5*dy/dx + 4y = 2x

Solve complimentary function: Let y = e mx then, d 2 y/dx 2 - 5dy/dx + 4y = 0 m 2 e mx - 5me mx + 4e mx = 0 (substituting for y) e mx (m 2 - 5m + 4) = 0 e mx (m - 4)(m - 1) = 0 Therefore m=4 and m=1, so the ...
PM
13990 Views

What affects the boiling point of an alkane and why?

There are two ways to affect the boiling point, both of which are to do with London forces found between molecules. Firstly, the chain length. If the chain length increases, the molecules will have a larger ...
TB
Answered by Thomas B. • Chemistry tutor
26588 Views

How do you answer the scenario questions in order to access all the available marks?

Read the scenario throrughly! No word is there for no reason. Any ambiguities are not an accident, they are there to make you think and question the law. Take your time. It is better to have a shorter, well ...
MM
Answered by Molly M. • Law tutor
3521 Views

Fill in the sentances with either por or para. i) Tengo un regalo ____ María ii)El trabajo de historia es _____ mañana iii) El ladrón fue detenido ____ la policía iv) Trabajo _____ UNICEF

i) Para ii) Para iii)Por iv)Para
CV
Answered by Clara V. • Spanish tutor
3355 Views