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Solve X^2 +13X+48=12

It is first important to get the equation to equal 0, so to do this you minus 12 from each side of the equals symbol, giving youX^2 +13X+36=0Now it is time to think about factorising!The best trick for th...

KM
Answered by Kemba M. Maths tutor
5774 Views

Help, I have designers block!

We all get to the point where we have been drawing or working on a project for so long that we feel completely uninspired.Its often a good idea to take a break at this point, if you're really stressed and...

KM
1609 Views

How should I approach my GCSE maths paper?

The way that papers are set is that you usually can allow just over a minute for each mark. This means if a question is 6 marks, it should take about 6 minutes to answer. It is generally a good idea to be...

KM
Answered by Kemba M. Maths tutor
5877 Views

The sequence xn is given by the formula x_n = n^3 − 9n^2 + 631. What is the largest value of n for which x_n > x_(n+1)?

We know that x_n > x_(n+1) is true if and only if x_n - x_(n+1) > 0 is true.So x_n - x_(n+1) = (n^3 − 9n^2 + 631) − ((n + 1)^3 − 9(n + 1)^2 + 631) = (n^3 − n^3 − 3n^2 − 3n − 1) − 9(n^2 − n^2 − 2n − ...

TT
Answered by Tadas T. MAT tutor
6731 Views

What is the law of diminishing (marginal) returns?

This a fundamental for theory of the firm. It explains the shape of the marginal product (MP) curve!

Formal Definition: When one or more factors are held fixed, there will come a p...

YA
Answered by Yasmin A. Economics tutor
8629 Views

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