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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...

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

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...

1. 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. 

2. Take your time. It is...

i) Para ii) Para iii)Por iv)Para