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Conjugar el verbo andar en presente

I always advice to put the subject before the conjugated verb in a table kind of format despite the the fact that in Spanish it is not always necessary to do so in a conversation. It is a regular type of ver...
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Answered by Maria L. • Spanish tutor
1702 Views

Integral between 0 and pi/2 of cos(x)sin^2(x)

The key point in here is noticing that the derivative of sin(x) is cos(x). That way, if we rename sin(x) as u , i.e u:=sin(x), the derivative will be du=cos(x)dx. So, inside the integral, instead of having c...
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Answered by Maria L. • Maths tutor
6384 Views

What is the derivative with respect to x of the function f(x)=1+x^3+ln(x), x>0 ?

Despite the hideous view, we can apply to this function the same methodology as all the other ones: break it down to pieces. What we mean is that we recognize three terms inside f(x): one is the number 1 alo...
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Answered by Maria L. • Maths tutor
3840 Views

What does Porphyritic mean ?

Porphyritic is commonly applied to igneous rocks and relates to their bi-modal grain size distribution; meaning 2 main grain sizes usually one larger than the other. The occurrence of this is down to the dif...
MH
Answered by Michael H. • Geology tutor
3066 Views

What are the advantages and disadvantages of the FPTP (First Past The Post) voting system?

FPTP voting system is a single-member constituency, plurality system used in British Parliamentary elections to elect representatives (MPs) to the House of Commons.It has a number of advantages including: 1)...
JR
21868 Views