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How do I answer a compare question?

Command words are important and you should check carefully exactly what the question is actually asking for. If a question asks you to 'compare', all you need to do is point out similarities and differences,...
DH
Answered by Daniel H. • Biology tutor
49028 Views

What key factors would you use to analyse a high resolution proton NMR spectrum

Fisrt you would use the chemical shift data of the main peaks, this gives you an idea of the chemical environment of the hydrogen atom that caused this peak. A more downfield signal (higher chemical shift va...
BS
2353 Views

What picture of Italian society is conveyed by Webster in the first two acts of 'The White Devil'?

It's really important to think about what key areas the examiner wants you to focus on. For example, you need to demonstrate detailed critical analysis of how language, form and the structure of the play cre...
EN
3785 Views

In a geometric series, the first and fourth terms are 2048 and 256 respectively. Calculate r, the common ratio of the terms. The sum of the first n terms is 4092. Calculate the value of n.

A geometric series S always follows the same pattern: S = a + ar + ar^2 + ar^3 ... Here i've labelled the first term a, and the common ratio r. The next term in a geometric series is always the preceding ter...
SW
Answered by Sam W. • Maths tutor
6585 Views

The quadratic equation (k+1)x^2+12x+(k-4)=0 has real roots. (a) Show that k^2-3k-40<=0. (b) Hence find the possible values of k.

(a) There is a quadratic equation which should e solved using the delta andthe roots formulas. delta=a 2 -4ab delta=144-4(k+1)(k-4) delta=-4k 2 +12k+160 Because the problem tells us that the roots are real, ...
AB
14417 Views