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Algebraic fractions

9/3x 2 - 3y 2 + x/xy - x 2 = 9/3(x 2 -y 2 ) + x/x(y-x) = 3/(x-y)(x+y) + 1/y-x = 3/(x-y)(x+y) - 1/x-y = 3-1(x+y)/(x-y)(x+y) = 3-x-y/(x-y)(x+y)
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Answered by Tristan L. Maths tutor
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How should I approach unseen poems in exam questions?

I find it helpful to start with the 'big picture', and then slowly zoom in until your studying the language at a micro level. Here are some things you could look at as you zoom in: What is the context of thi...
TD
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How do interest rate changes affect economic growth?

A cut in the base rate (rate at which the central bank lends to commercial banks) generally increases growth, and an increase in rates reduces growth. This is due to several factors: Impact on consumers - a ...
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Answered by Pravin S. Economics tutor
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Differentiate with respect to x: w=4x^2 + 3sin(2x)

We will split this up and differentiate each part separately. We can differentiate 4x 2 using our normal rules for differentiating; we multiply the coefficient by the power and then subtract one from the pow...
EM
Answered by Emma M. Maths tutor
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What impact will interest rates have on the level of Aggregate Demand in the economy?

Aggregate Demand includes consumption, government investment, net exports and investment. Lower interest rates will make it less attractive for consumers to save, as the returns they will receive on their sa...
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Answered by Oliver P. Economics tutor
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