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# Maths books (bostock and chandler) watch

1. I'm in a dilemma, I can buy two books out of the folowing three.
1. Mathematics : A core Course for A-level
2. Pure Mathematics
3. Further Pure Mathematics.

If anyone could recommend the best combination to me, I'd appreciate it.
2. Can anyone verify these questions (algebraic fractions), i have done them just need them checkin...thanks!

Q1. Express 2/2x-1 - 2/4xsquared - 1 as a single fraction in its lowest terms.

Q2. Simplify xsquared - 49/xsquared + 7x divided by

xsquared - x - 12/xsquared + 3x

I'll give anyone rep who can help!
3. Buy the "core course" and "further pure". Use other textbooks/notes/websites for the applied modules.

(based on the blind assumption you're doing double maths)
4. (Original post by Machine)
Can anyone verify these questions (algebraic fractions), i have done them just need them checkin...thanks!

Q1. Express 2/2x-1 - 2/4xsquared - 1 as a single fraction in its lowest terms.

Q2. Simplify xsquared - 49/xsquared + 7x divided by

xsquared - x - 12/xsquared + 3x

I'll give anyone rep who can help!
1: 2/(2x+1) - 2/(4x^2-1) = 2/(2x+1) - 2/(2x+1)(2x-1)
= [2(2x-1)-2]/(2x+1)(2x-1) = 4x-4/(4x^2-1)

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Updated: June 23, 2004
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