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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 c...

Answered by Sarah M. • Further Mathematics tutor

14306 Views

Describe the roles of calcium ions, ATP and phosphocreatine in producing contraction of S (b) a muscle fibre.

Answered by Bertie F. • Biology tutor

4054 Views

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

Solve complimentary function: Let y = e^mxthen,
d²y/dx² - 5dy/dx + 4y = 0
m²e^mx - 5me^mx + 4e^mx = 0 (substituting fo...

Answered by Peter M. • Further Mathematics tutor

12340 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 larg...

Answered by Thomas B. • Chemistry tutor

13790 Views

I struggle with time management whilst doing an exam paper. How will I be able to answer every question in the time given for the exam?

The best way to improve time management is by practising past papers. These can be found on your exam board website e.g. AQA, Edexcel etc. By completing a past exam paper under timed conditions you are pu...

Answered by Ruby P. • Maths tutor

4206 Views