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Being a quadratic equation in the following form,the simplest way to solve would be through the quadratic formula which goes as follows:
The first step to solving is therefore to identify a, b, c, wi...

To answer this question we need to know what makes glass different to air. The main difference is their refractive index. For air it's 1 and for glass it's anywhere between 1.52 - 1.54 depending on the t...

any 2 for 1 mark each:a) Caelum - Latin definition : sky - English derivative: celestial, climateb) sequor, sequi, secutus sum - Latin definition: follow - English derivative: sequence, consecutive, cons...