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Find the exact value of dy/dx at (-2,4) of the curve C: 4x^2 -y^2 + 6xy + 2^y = 0

First notice that this is an equation that will require implicit differentiation since C cannot be explicitly written in terms of either x or y. Thus we must differentiate each term with respect to x:-the fi...
SD
Answered by Saskia D. • Maths tutor
4941 Views

Suggest which particles will be emitted as K-40 decays to Ca-39:

As the proton number increases by 1 from 19(K) to 20(Ca), the process of decay must be beta minus in order to conserve charge. This means that an electron (or beta plus particle) will be emitted along with a...
LA
Answered by Luke A. • Physics tutor
2229 Views

What is a case study and why might a psychologist choose to use this research method?

A case study is an in-depth analysis of the experience of an individual or small group. A psychologist might opt for the case study method if they are interested in individuals with very unusual and understu...
RP
Answered by Roisin P. • Psychology tutor
6171 Views

Maltase is an enzyme found in the body that breaks down maltose. Explain why maltase can only catalyse this reaction?

All enzymes have active sites which are highly specific to their role within the body- the active site being the part of the enzyme in which the enzyme and the substrate (the thing it is reacting with) inter...
JH
Answered by Johanna H. • Biology tutor
8771 Views

How do I conjugate the imperfect tense in Spanish?

The imperfect tense for all regular verbs in this tense is created by removing the ar/er/ir endings from the infinitive and adding the appropriate endings depending on the subject of the sentence (I, you, he...
JB
Answered by Jade B. • Spanish tutor
2226 Views