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Solve 5x/(2x+1) - 3/(x+1) = 1

This is an algebraic fractional equation. Dealing with algebraic equations and adding/subtracting fractions is not too bad, so we'll need to think about both when looking at this questions.1) Firstly, we nee...
JG
Answered by Jacob G. • Maths tutor
8485 Views

Sketch the graphs of y = f(x), y = g(x) and find the point(s) where f and g intersect.

f and g can be any linear, quadratic or cubic equation in terms of x, with exponential functions, logarithmic functions and modulus functions etc. May also be given a specific domain given. Sketch first, sta...
TP
Answered by Tommy P. • Maths tutor
4333 Views

Find the sum of the first n odd numbers, 1+ 3 + … + 2n-1, in terms of n. What might a mathematician’s thought process be?

[Answer for a Further Maths A level student]: We could just apply the formula for summing an arithmetic series, but this won’t give a good understanding of why the answer we get is correct, which is always i...
AB
Answered by Amlan B. • Maths tutor
5269 Views

Differentiate the following, y=(2x-4)^3

dy/dx = 3(2x-4)^2 x 2 dy/dx= 6(2x-4)^2 dy/dx =24(x-2)^2
CG
Answered by Charlie G. • Maths tutor
6609 Views

What marks do I need to achieve an A* grade in A-level Maths?

The A* grade in Maths is awarded to candidates who achieve an A (480 out of 600 UMS) in their overall A Level as well as achieving a combined score of 180 out of 200 UMS in modules Core 3 and Core 4 (i.e. an...
OC
Answered by Omar C. • Maths tutor
13649 Views