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Find the stationary points of the curve y=x^4-8x^2+3 and determine their nature.

First we will differentiate y to find dy/dx= 4x3-16x. Stationary points exist at dy/dx=0 so we set 4x3-16x=0 and solve for x. x(4x2-16)=0. So x=0 or 4x2-16=0. I...

Answered by Maths tutor
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To what extent do pressure groups undermine democracy?

Undermine democracy - On on hand, some pressure groups are elitist, particularly insider pressure groups (ASH). Furthermore, minority interests may be overlooked by big pressure gr...

EC
Answered by Eliza C. Politics tutor
14160 Views

Describe the cardiac cycle

Diastole - relaxation of the atria and ventricles means lower pressure within the heart, this causes blood to passively flow through the atria and into ventricles. AV valves are open therefore allowing bl...

BC
4164 Views

How do I form a question?

There are two formulas for creating a question in french. The first is adding "est-ce que" to the begining of the statement. Therefore the equation is, "est-ce que" + the subject + the...

MT
Answered by Megan T. French tutor
1338 Views

What is osmosis?

Osmosis is the movement of water molecules through a partially permeable membrane. Water molecules move from a region of of higher concentration to an area of lower conce...

MT
Answered by Megan T. Biology tutor
3068 Views

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