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How do I calculate the gradient of a non linear equation at a given point?

As we know, to find a gradient in a linear function, we have to calculate the difference in the objective function (usually y) by the difference in the choice variable (commonly x), you may know this as rise...
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Answered by Milo L. • Maths tutor
6034 Views

Can I have help with integrating by parts? I am unsure on how to use the formula.

Integrating by parts is simple. Simply put the equation into two parts, U and dV/dx. When considering which part of the original function will be U and which part will take dV/dx, you should consider which p...
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Answered by Milo L. • Maths tutor
3626 Views

Discuss the justifications for and limitations to free trade

​​​​​​Free trade refers to that which allows a country to trade competitively with another country as there are no tariffs or restrictions regarding what can be exported or imported. The main benefit of free...
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Answered by Izzy A. • Geography tutor
9888 Views

A ball is thrown from ground level at an angle of 30 degrees from the horizontal with a velocity of 20 m/s. It just clears a wall with a height of 5m, from this calculate the distances that the wall could be from the starting position.

The first thing to do is draw a diagram to visualise the problem. Next we write down all the information the question gives us as well as which values we want to find. For this question it would be S=5m, U=2...
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Answered by Aysha A. • Maths tutor
4590 Views

Why do some verbs take 'sein' in the perfect tense and how do I figure out, whether they do or not?

Verbs that take 'sein' in the past are called intransitive verbs and there are certain questions that you can ask yourself to figure out, whether a verb takes 'sein'. The first question is "Does the ver...
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Answered by Cian H. • German tutor
4767 Views