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Maths
A Level

How can I recognise when to use a particular method for finding an integral?

Often the question will ask you to use a particular method to integrate something, but sometimes they will not and you will have to recognise for yourself the best way to do it. There is often more than o...

LC
Answered by Lloyd C. Maths tutor
3458 Views

If f(x)=x^2 and g(x)=5x-11, then what is fgg(x) when x=3?

g(3)=5(3)-11=15-11=4gg(3)=g(4)=5(4)-11= 20-11=9fgg(3)=f(9)=92=81fgg(3...

SM
Answered by Simon M. Maths tutor
3732 Views

Express (x+1)/2x + (2x+3)/(x+1) as one term

(x+1)2 + 2x(2x+3) / 2x(x+1)

AR
Answered by Alex R. Maths tutor
3552 Views

A uniform ladder of mass 5 kg sits upon a smooth wall and atop a rough floor. The floor and wall are perpendicular. Draw a free body diagram for the ladder (you do not need to calculate any forces).

Diagram should include two orthogonal lines, representing the wall and floor. Connecting them should be a diaganol line (the ladder)
At the midpoint of the line should be a vertical downward...

DG
Answered by Dean G. Maths tutor
2998 Views

How do you integrate ?

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