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Maths
A Level

How to write an algebraic fraction in a given form e.g. (3+13x-6x^2)/(2x-3) as Ax + B + C/(2x-3) where A, B and C are natural numbers

I would break this down into simple steps:

Step 1 - Equate the 2 expressions: (3 + 13x - 6x2) / (2x - 3) = Ax + B + C / (2x - 3)

Step 2 - Multiply both sides by the demoninator: 3...

AT
Answered by Alex T. Maths tutor
3284 Views

Find the derivative of the function f:(0,oo)->R, f(x)=x^x.

The domain of the function allows us to write f(x)=xx  as f(x)=eln(x^x)=ex ln(x) (since ln(x) is defined on (0,oo) only). Using the standard derivati...

AR
Answered by Andrei R. Maths tutor
2764 Views

differentiate 4x^3 + 3x

12x^2 +3

DH
Answered by David H. Maths tutor
3821 Views

Find the first 4 term of the binomial expansion (2-4x)^5

Step 1: Look at formula in formula booklet provided and write out formula.

Formula: (a+b)n= annc1an-1b + nC2an-1<...

CR
Answered by Charlie R. Maths tutor
4175 Views

find the exact solution to the following equation: ln(x) + ln(3) = ln(6)

My first step would be to put all the known values on one side: ln(x) = ln(6) - ln(3) Then, using log laws, we have: ln(x) = ln(6/3) so, ln(x) = ln(2) so, x = 2

RC
Answered by Rhianna C. Maths tutor
8511 Views

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