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What makes something 'good' is always going to be subjective, but when it comes to university admissions you need to demonstrate why you have chosen medicine, how you ...
A strong A-Level music essay should mainly contain the identification and analysis of some of the key musical features within the given piece, and should also provide some information about the musical pe...
Acids, by definition, are proton donors, so will donate a H+ ion to a base. Examples of acids may be HCl or ethanoic/acetic acid (a.k.a. vinegar).
Base...
Using the knowledge of a2 = b2 + c2 - 2bcCos(A)
Rearrange to aquire Cos(A) = (b2 + c2 - a2)/2bc
Then input ...
d/dx(4x3 + 2x) = d/dx (4x3) + d/dx(2x)
= 4(3x2) + x
= 12x2 + x
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