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If I am given a line, how do I find a line that is parallel to it? What about perpendicular?

The key fact here is to remember the relationship between the gradients of lines which are parallel and perpendicular. Two lines that are parallel will always have the same gradient. So if we have a line y =...
HW
Answered by Harry W. Maths tutor
4673 Views

Differentiate y= 2^x

Initially this looks unlike all the other differentiation questions and seems unsolvable. However the expression 2^x can be rewritten in an equivalent form that will allow us to use the differentiation rules...
MG
Answered by Max G. Maths tutor
8769 Views

How to write an introduction for an essay in Russian

When writing an introduction for any essay, it is essential that you present your topic, state the problem, explain any terminology that you will be using and clarify what you attempt to achieve in your essa...
BR
Answered by Benita R. Maths tutor
4249 Views

How exactly does integration by parts work?

Integration by parts can be considered as the inverse method of differentiation using the product rule. With the product rule we have: d(f g)/dx = f (dg/dx) + g*(df/dx) where f and g are functions of x. Now ...
FI
Answered by Fahad I. Maths tutor
3736 Views

The equation of a curve is y = (x + 3)^2 + 5. Find the coordinates of the turning point.

We are asked to find the coordinates of the turning point of a line, and we should first remind ourselves of what this means. A turning point on a line is either a maximum or minimum point, or a point of inf...
MS
Answered by Marnie S. Maths tutor
11419 Views