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Differentiate x^2 + y^2 with respect to x

use the chain rule on the y^2 term to get 2y*(dy/dx) hence the overall solution is 2x + 2y*(dy/dx)
KD
Answered by Ken D. • Maths tutor
26435 Views

What are the characteristics of oceanic crust?

Oceanic crust is thinner and more dense than continental crust. This is because it has been compressed by the weight of the oceans it carries above it. It is also much younger than Continental crust, as it i...
JO
Answered by Josie O. • Geography tutor
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What should I talk about in my personal statement?

Condensing your personality and achievements into just 4000 characters to impress an Admissions Tutor might seem an impossible task at first glance! Everyone you talk to will give you different advice on wha...
JO
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Find the mid point of the line A B, where A is (8,-1) and B is (2,5).

To find the midpoint between two points, first we must find the mid point between the x coordiates and then the y coordinates. The x coordiate of A is 8 and the x coordiate of B is 2. The midle value between...
AK
Answered by Amy K. • Maths tutor
7884 Views

Solve the equation d/dx((x^3 + 3x^2)ln(x)) = 2x^2 + 5x, leaving your answer as an exact value of x. [6 marks]

This may look complicated at first but it can be broken down into a number of simple steps... For the left side of the equation, the d/dx tells you we are differentiating and since (x 3 + 3x 2 )ln(x) sees tw...
RH
Answered by Robbie H. • Maths tutor
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