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Maths
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Rearrange the formula to make 'y' the subject: x = (1 - 2y)/(3 +4y)

Ok so we need to get 'y' by itself on the left hand side of equal sign. We will first try to remove the denominator by multiplying 'x' by (3+4y). This gives (3+4y)x = 1 - 2y.

We will then...

WI
Answered by Wajiha I. Maths tutor
17382 Views

What is exactly differentiation?

This is obviously a very important but somewhat difficult to explain question of maths. Let's try to define these terms for normal functions between R (real numbers) and R. 
Now, if we consider the d...

JP
Answered by Joseph P. Maths tutor
5842 Views

What is the highest common factor of 24 and 90?

To find the highest common factor of 24 and 90 we do this in three steps:
1. Find the prime factorisation of the two numbers. This means rewrite each given number as a product of onl...

JP
Answered by Joseph P. Maths tutor
13078 Views

What is integration by parts?

Integration by parts is used to integrate a product of functions. The formula is as follows:

Int[f(x)g'(x)] = f(x)g(x) - Int [f'(x)g(x)]

SR
Answered by Sam R. Maths tutor
4450 Views

Solve the quadratic 2x^2+7x+6 by completing the square

All quadratic equations take the general form:

ax2+bx+c=0

The first step used to comlete the square is to divide the whole equat...

HN
Answered by Henry N. Maths tutor
16490 Views

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