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We have two reliable methods of solving this simultaneous equation. We can either eliminate the variables (x or y) directly, or make one of the variables the subject of the equation. I will show you how t...

Konjunktiv II (also known as the subjunctive II) is a verb form which can be used for conditional statements, to express uncertainty, contrary-to-fact statements and polite requests.
To use Konjunkt...

This question is concerned with balancing forces. First, we must consider what forces are acting on the satellites. What is stopping the satellite from shooting off into space and what is preventing it fr...

The exponential function is defined as a power series, which we may (for reasons that are beyond the scope of A-level) differentiate term by term to get another power series. The general term of the serie...

Educative ; pressure groups have a educative function in that they can provide information and education about their specific cause and spread awareness on the issue .E.g. the He...