3 years ago

I also do not understand this(question 2) please help I’m dumb

Mathematics

1 answer:

Wittaler [7]3 years ago

4 0

Hopefully this is correct but i’m no 100% sure if i’m right... check with a classmate

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Step-by-step explanation:

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lord [1]

Answer:

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Step-by-step explanation:

The given expression is :

$\dfrac{a}{ab-b^2}+\dfrac{b}{ab-a^2}$

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$\dfrac{a}{ab-b^2}+\dfrac{b}{ab-a^2}=\dfrac{a}{b(a-b)}+\dfrac{b}{a(b-a)}\\\\=\dfrac{a}{b(a-b)}+\dfrac{b}{-a(-b+a)}\\\\=\dfrac{1}{a-b}(\dfrac{a}{b}-\dfrac{b}{a})\\\\=\dfrac{a^2-b^2}{ab(a-b)}\\\\=\dfrac{(a-b)(a+b)}{ab(a-b)}\\\\=\dfrac{(a+b)}{ab}$

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Answer:

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Step-by-step explanation:

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