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One to one mapping means is that there's only one value you could insert into the function that would give you a certain output. f(x) = 2x+1 is an example of one to one mapping where 3, for example, is th...

Firstly, I would ask the student if they knew what the first step was. If they did not know, I would suggest that they need to get all the x's on one side of the equation and all the numbers on one side. ...

First, we need to re-write it as e to the power something. The definition of log base e is that e^log(y) = y. We can put our expression into this equality too. So a^x = e^log(a^x), so we use log rules to ...

So in order to derive the quadratic equation we need to start with a quadratic that can represent any quadratic equation. Lets start with ax²+bx+c=0.

We will use the completing the squar...

each share is 6000 / 12 - Imran's share is 7x this = 3500 rupees. 

3500 x 3 / 5 = 2100. 

2100/6000 x 100 = 35%