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You must apply the chain rule whenever you see a function contained within another function. For example, if you were to differentiate (sin x)²  you would apply the chain rule as the sin functi...

Step 1- Get all the numbers on one side of the inequality sign and all the letters on the other side. Remember when a number is moved to the other side of an inequality, the sign infront changes from eith...

Let's answer the question by solving an example:

Take (8x² * 5x⁴ * 2y³)/(20x³). Firstly, let's take a look at the first bracket and rearrange it so we ha...

First of all, I would ask the student what they think the question means and whether they have encountered a question like this before, so that I know where to start from. If the student is more of a visu...

First of all, we separate what is multiplying the X from what is not, 12x-4x>12+4 (don't forget the change of sign while passing from one side to another). Then we operatem 8x>16. Finally, x>16/2...