kylie0046
Answered

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Simplify:
1/(a-3) (a-4) + 1/(a-4) (a-5) + 1(a-5) (a-3)​

Sagot :

devishri1977

Answer:

Step-by-step explanation:

LCM = (a -3)(a-4)(a-5)

[tex]\dfrac{1}{(a-3)(a-4)}+\dfrac{1}{(a-4)(a-5)}+\dfrac{1}{(a-5)(a-3)}\\\\\\ = \dfrac{1*(a-5)}{(a-3)(a-4)(a-5)}+\dfrac{1*(a-3)}{(a-4)(a-5)(a-3)}+\dfrac{1*(a-4)}{(a-5)(a-3)(a-4)}\\\\\\=\dfrac{a-5+a-3+a-4}{(a-4)(a-3)(a-5)}\\\\\\=\dfrac{3a - 12}{(a-3)(a-4)(a-5)}\\\\\\=\dfrac{3(a-4)}{(a-3)(a-4)(a-5)}\\\\\\=\dfrac{3}{(a-3)(a-5)}[/tex]

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