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How do I express complicated logs as single logarithms?

The process of transforming a complicated log to a single logarithm depends on the question. However, there are some basic rules and methods that are commonly involved. Here is an example: Example Express 2l...
KL
Answered by Keeley L. • Maths tutor
12749 Views

is x + x equal to x^2 ?

No. Think of an x as a tangible object, for instance an apple. If you have an apple plus another apple, you have 2 apples. Therefore if you have an x you have 1x. 1x plus another 1x is 2x, not x^2.
RC
Answered by Rosalie C. • Maths tutor
3919 Views

What is an atheroma and how can it lead to a heart attack?

Atheroma = Formed of a hard fibrious plaque containing fatty streaks that have hardened over time (through damage such as high blood pressure). There is a build up of cholesterol and other insoluble lipids c...
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Answered by Keeley L. • Biology tutor
13295 Views

How can you remember what sin(x) and cos(x) differentiate or integrate to?

Calculus processes concering sin(x) and cos(x) can be imagined like turning a wheel (insert diagram here, would show in tutorial). Turning the wheel clockwise is the process of differentiating, turning the w...
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Answered by Sam T. • Maths tutor
5144 Views

What is the difference between a scalar and a vector?

A scalar is a value that has only a size (otherwise known as magnitude), not a direction. A scalar is unaffected by the direction in which the object concerned is travelling. Examples include kinetic energy,...
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Answered by Sam T. • Physics tutor
6000 Views