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This is the link for the question, http://filestore.aqa.org.uk/sample-papers-and-mark-schemes/2016/june/AQA-ELEC1-QP-JUN16.PDF

The diagram shows the relationships bewteen letters. C and D are the i...

9^ (3x + 1)

We know that 3 to power of 2 equals 9.  3x3 = 3^2 = 9, 

= 3^ (2 * [3x + 1])

We simply the term because 2 * [3x + 1] = 6x + 2

= 3^ ( 6x + 2) 

This term is in ...

Free Fantasia as a style became highly popular in the late 18^th Century, with C. P. E. Bach being a prominent composer withint this style. However, he wrote very little upon this style and rare...

Firstly, solve 0=14-x^2 to find the horisontal distance to the edges of the tunnel. x1=sqrt(14), x2= -sqrt(14).

Integrate h=14-x^2 between x1 and x2 28*sqrt(14) -(2(sqrt(14)^3))/3. This is the requ...

To make life easier we often treat molecules as flat - for example we draw methane on a page as a carbon with 4 hydrogens bonded to it at perfect 90 degree angles. This isn't really the case. Electron-ele...