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Why do we have to add the +c when integrating a function

First of all it is important to know that differentiation is the opposite of integration. So if we integrate some function g(x) and get f(x), it means that when we differentiate f(x) we should get g(x). We d...
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Answered by Niraj S. • Maths tutor
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Occasionally a baby can be born with a hole in the wall that separates the left and right ventricles of the heart. Using your knowledge of blood circulation, explain the consequences of this condition.

Blood will flow between the right and left ventricles. This means that both sides of the heart will contain a mixture of oxygenated and deoxygenated blood. Therefore, the blood sent around the body via the a...
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Answered by Mary K. • Biology tutor
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Solve the following equation: 5x - 1 = 3x + 7

5x - 1 = 3x + 75x = 3x + 82x = 8x = 4
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Answered by Daragh H. • Maths tutor
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How do I write a good English Language essay?

The first point to consider is what type of essay you are being asked to write. Is it a persuasive or argumentative essay? Do you need to express your own opinion? It is a good idea to spend some time planni...
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Answered by Jenny N. • English tutor
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Solve the simultaneous equations 3x + y = -4 and 3x - 4y = 6

When solving simultaneous equations our goal is always to use the equations given, which each have two unknowns in them, in order to find an equation with only one unknown. In this example, we can see that b...
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Answered by Sofya E. • Maths tutor
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