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What is the point of having a control group in a Psychological experiment?

A control group allows us to have a base recording that we can compare our experimental group to. A control group and an experimental group are treated in the same way except for the variable that we are ...

CC
5826 Views

How far does Shakespeare present Lady Macbeth as a powerful woman?

Within Shakespeare's supernaturally Gothic tragedy Macbeth, Lady Macbeth is frequently interpreted as a powerful woman. Not only is she able to control her husband, urging him to "screw his courage t...

AB
42940 Views

Expand x(x+4)

You must expand the brackets and then handle each section separately x multiplied by x = x^2 x multiplied by 4 = 4x answer is x^2 + 4x

TD
Answered by Tutor125675 D. Maths tutor
6348 Views

The curve C has the equation: y=3x^2*(x+2)^6 Find dy/dx

To find dy/dx, we must use a combination of the Product Rule and the Chain Rule.
If we let 3x^2=u and (x+2)^6=v, the Product Rule tells us that (uv)' = uv'+vu'
u'=6x, but to find v' we need to u...

SH
Answered by Sam H. Maths tutor
3588 Views

How to solve a quadratic equation?

There are several ways to solve a quadratic equation. 1.Quadratic formula ax2 + bx + c = 0, where a can't equal 0 but b and c can.x = (-b± (b2 - 4ac)) / 2a2. completing the square(x ...

AM
Answered by Alvaro M. Maths tutor
3008 Views

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