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By using the quadratic quation, it can be deduced that x = 1.22 or x = -3.55

The key to solving this problem is realising that gravitational potential energy and elastic potential energy need to be equated. The gravitational potential energy of an object of mass m at height h abov...

Even when you're super prepared for an exam, a subject like history can throw you a curve ball, so what can you do when you look at a question and think there's just no way you could answer it?

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We have to use the chain rule here. If we set u to the inside of the bracket, u = x^2 + 3 and differentiating we get du/dx = 2x. Now the original expression becomes y = u^2. Differentiating this with resp...

When looking at this Question you need to decide the impact Martin Luther had on the Reformation. Such as the impact of his 95 theses published in 1917, his exploitation of the printing press, his charism...