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Fidn the solutions to the quadratic equation: x^2 - 16 = 0

Solve by adding 16 to both sides of the equation yielding: x^2 = 16. Then take the square root of both sides (remembering that taking the square root gives us a positive and a negative answer), giving us ...

PD
Answered by Paul D. Maths tutor
8208 Views

Integrate by parts the following function: ln(x)/x^3

Let integrate be denoted by the letter I. For instance I(f) is the integration of a function f . Then Integration by parts states that I(u v') = uv - I(u' v), where u,v are function with u', v' their resp...

PD
Answered by Paul D. Maths tutor
3015 Views

A graph is sketched with the equation x^2+4x-5. Find the minimum point of this graph.

Okay so the first thing we can identify is that it is a quadratic, hence the x2 at the beginning. From this we can now start to answer the question. To calculate the minimum po...

HS
Answered by Harry S. Maths tutor
4147 Views

For the curve C with equation y = x4 – 8x2 + 3. Find dy/dx

dy/dx= 4x3 _ 16x

EP
Answered by Edward P. Maths tutor
3289 Views

Richard wants to find out how often people buy crisps, a) name two things that are wrong with his survey question and b) create a better one

This is Richard's question on a survey:

How often do you buy crisps?

Often [] Sometimes [] Never [_]

(a) Write down two things that are wrong with this survey question

GW
Answered by Gemma W. Maths tutor
8294 Views

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