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The curve C has equation ye^(-2x) = 2x + y^2. Find dy/dx in terms of x and y.

The curve's equation is presented as an implicit function. Therefore we must use implicit differentiation to solve this problem. To do this, we differentiate both sides of the equation with respect to x, app...
GW
Answered by Georgia W. • Maths tutor
9914 Views

Translate the following to French: My dog is big. My cat is fat and orange. My animals eat three times a day. We walk to the shops.

Mon chien est grand.Mon chat est gros et orange.Mes animaux mangent trois fois par jour.Nous marchons aux magasins. The important thing with this exercise is making sure everything agrees with the noun. For ...
AC
Answered by Anna C. • French tutor
3159 Views

How do I improve my listening skills for the aural exam?

Listening comprehension in the German language is particularly difficult because the sentence syntax is completely different to what we would expect in English i.e. the verb goes to the end, commas indicate ...
LH
Answered by Lucy H. • German tutor
2111 Views

State and explain the principles of the Polymerase Chain Reaction (PCR)

Firstly, PCR is used to amplify DNA so that it can be used in analysis. It is particularly useful in processes like forensic science to identify DNA samples left behind at a crime scene. The process begins w...
VP
4001 Views

Write 36 as a product of its prime factors giving the answer in index form.

A prime number is a number only divisible by itself and 1. To write 36 as a product of its prime factors we use a factor tree. The key thing to remember is to always circle the prime numbers. So we start wit...
LT
Answered by Lucy T. • Maths tutor
21682 Views