Solve a 2 -4 a-1 - a-1 a-1 a-2

a^2 4a+1×(a+1)(a 1)a+2 =(a+2)(a 2)(a+1)(a 1)(a+1)(a+2) =(a 1)(a 2)=a^2 3a+2 ...

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Algebra of Complex Numbers

Solve a 2 -...

Question

Solve $\frac{a^{2} - 4}{a + 1} \times \frac{(a + 1) (a - 1)}{(a + 2)}$

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Solution

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