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Integrate 3 sin(x) + cos(2x)

Here is an example of integration where you would use the chain rule. You would begin by integrating 3sin(x) to get -3cos(x) and then cos(2x) to get 1/2sin(2x). This is because whatever is multiplied by t...

Answered by Dannielle S. • Maths tutor

7534 Views

Solve 3x - 5 < 16

The first thing you should always do when approaching questions like this is to get the numbers on one side and the letters on the other. This makes the equation simpler and helps you to solve it. By addi...

Answered by Dannielle S. • Maths tutor

15318 Views

How do you find the angle between two lines in three dimensional vector space given two points on line 1 and the vector equation of line 2

Find the direction vector of line 1

Find the scalar product of the direction vectors of lines 1 and 2

Calculate the magnitude of both direction vectors

MM
Answered by Mark M. • Maths tutor
3246 Views

Why would a cell lyse when it's in water?

Lysis, or the bursting of a cell, happens because of a cell swelling excessively causing it to burst, due to the movement of water into the cell by osmosis. However, this isn't the case for all cells!

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Answered by Ashar A. • Biology tutor

15255 Views