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Galina-37 [17]
3 years ago
15

Find the difference in simplest form. 2b/b^2-2b+1 - 2/b^2-2b+1

Mathematics
1 answer:
kolezko [41]3 years ago
7 0
1) factor the denominators: 2b/(b-1)2 - 2/ (b-1)2
2) MAKE SURE YOU HAVE A COMMON DENOMINATOR
3) combine the numerators: 2b-2/(b-1)2
4) distribute 2 from numerator: 2(b-1)/(b-1)2
5) simplify; answer is 2/(b-1)

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Step-by-step explanation:

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   * Add 6x to both sides

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Step-by-step explanation:

Data provided in the question:

P(Two randomly selected children are girls) = \frac{1}{2}

now,

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the number of girls be 'x'

thus,

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also,

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hence, the relation is justified

therefore,

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