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How do I intregrate ln(x)?

To integrate ln(x) we will have to use integration by parts. The equation for integration by parts is: ( then equation written on the whiteboard ). In the case of ln(x), let v=ln(x) and let du/dx=1.Then dv/d...
IP
Answered by Isabelle P. • Maths tutor
3707 Views

which expression is equivalent to x^2-4? (x-2)^2 (x-2)(x+2) (x+2)(x+2) x^2(-4)

(x-2)(x+2) because the x values cancel out leaving the integer and x^2 value.
BS
Answered by Bronte S. • Maths tutor
4706 Views

A cuboid has a rectangular cross section where the length of the rectangle is equal to twice its width x cm. THe volume is 81 cm^3. a) show that the total length L cm of the cuboid is given by L=12x+162/x^2

Volume=81 cm 3 b=81/2x 2 L=4x+4(2x)+ 4(b) L=4(x)+4(2x)+4(81/2x 2 ) L=12x+ 162/x 2
BT
Answered by Bilaal T. • Maths tutor
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How to make something the subject of the formula?

Make a the subject of the formula from : p = (3a + 5)/(4 - a) When doing questions like these it is best to remember that if you multiply one side of the equation you have to do the same thing on the other s...
RC
Answered by Robin C. • Maths tutor
5740 Views

Solve the following equation: 6x – 9 > 4x + 3

2x - 9 > 3, 2x > 12, x > 6
SM
Answered by Sean M. • Maths tutor
5935 Views