сократить дробь : 1.20-у^2 / у-2 √5 2.а-32/√а+4√2 Срочно !!!. Created by AnnEee. matematika-ru

√а+4√2 Срочно !!!...

July 2022 1 7 Report

сократить дробь :
1.20-у^2 / у-2 √5
2.а-32/√а+4√2
Срочно !!!

Answers & Comments

gfirsov0071 1) 20 - у² = (√20 - у)(√20 + у); √20 = 2√5

(20 - у²)/(у - 2√5) = -2√5 - у

2) а - 32 = (√а - √32)(√а + √32); √32 = 4√2

(а - 32)/(√а + 4√2) = √а - 4√2

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