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How to integrate lnX?

Firstly I would ask the student what different ways of integration do we know so far? After eliminating each possibility, such as the answer is not XlnX, as this differentiates via product rule, the student ...
SR
Answered by Siam R. • Maths tutor
4132 Views

Work out the area of this triangle given the lengths of 1 sides (a) and 2 angles (A and B) using either the sine rule

We know the area of any triangle is equal to 0.5abSin(C). This means we need to find the length of side b and the angle C.First we can work out the angle C of the triangle as we know the angles in a triangle...
RA
Answered by Risha A. • Maths tutor
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Name a non-reducing sugar and outline a test which can identify its presence. (6)

Sucrose (1)Rule out reducing sugars - heat in a water bath. Add Benedict's solution. Should remain blue. (1)Add dilute HCl to a new sample and heat in a water bath (1)Neutralise with NaHCO3 (1)Add Benedict's...
AR
Answered by Annie R. • Biology tutor
4076 Views

How to differentiate y=2x(x-2)^5 to find dy/dx?

Firstly, you should formulate the problem by using the product rule, which is: dy/dx = u'v + v'u By assigning u=2x and v=(x-2) 5 , the terms u' and v' can be obtained knowing that u' simply means differentia...
AP
Answered by Anup P. • Maths tutor
6300 Views

How should I approach the first question on AQA’s Paper 1?

This question can be a demanding one as it requires both close reading and broader textual analysis, so it is key that you feel adequately prepared. To start with the most obvious it is important to have rea...
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