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There are 2 main methods for finding a normal vector. If you know two vectors that lie in the plane e.g. (a,b,c) and (d,e,f), we can find a normal vector by calculating the vector/cross product of (a,b,c) an...

The main factor resulting into reduced benefits of taking out a franchise for an independent sole trader is the loss of total control. By taking out a franchise, there is a loss of independence in decision m...

According to the quotient rule, when y(x)=f(x)/g(x), y'(x)=(f'(x)g(x)-g'(x)f(x))/g(x) 2 f(x)=9e 7x f'(x)=63e 7x , g(x)=12e 2x g'(x)=24e 2x y'(x)=(63e 7x .12e 2x -24e 2x .9e 7x )/(12e 2x ) 2 y'(x)=(756e 9x -2...

The kidneys can be split into 5 main sections. Firstly we have the glomerulus. Blood enters the kidneys via the afferent arteriole and then travels to the glomerulus which is just a cluster of capillaries. T...

Air is breathed in through the nose and the mouth. It makes its way down the trachea (windpipe) and enters into the lungs. The air enters into the small sacs of the lungs called alveoli which in a microscope...