Сократите дробь: 1) у²+у/у², 2) а²-2а/а²-4. Created by k1ekc1k. algebra-ru

а²-4...

March 2022 2 12 Report

Сократите дробь: 1) у²+у/у², 2) а²-2а/а²-4

армения20171 $\frac{ y^{2}+y }{y ^{2} } = \frac{y(y+1)}{y ^{2} }= \frac{y+1}{y} \\\\ \frac{ a^{2}-2a }{ a^{2} -4}= \frac{a(a-2)}{(a-2)(a+2)}= \frac{a}{a+2}$

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k1ekc1k точно правильно?

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Verified answer

1)(у²+у)/у²=у(у+1)/у²=(у+1)/у

2)(а²-2а)/(а²-4)=а(а-2)/(а-2)(а+2)=
а/(а+2)

9 votes Thanks 24

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a01dd874c05ec4b41677c1c62c24d612d 10079

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