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Integrating is essentially the opposite of differentiating.xⁿ --> xⁿ⁺¹ We add 1 to the power and re-introduce variables where they have been eliminated potentially k --> kxWe m...

Development means countries changing and becoming more advanced. PHYSICAL FACTORS INFLUENCING DEVELOPMENT Climate -countries with unstable climates struggle to develop e.g. countries in the Sahel prone to...

^{First we must try to write y as a function of x, in this case it means halving the first equation so that we find that y = 4x + 3. Once we have dicovereved this. We can now write the y in our second ...}