Даю 90 баллов!Выполните 13,14,15 с решением!. Created by olenkaOO. algebra-ru

Даю 90 баллов!Выполните 13,14,15 с решением!...

October 2021 1 15 Report

Даю 90 баллов!Выполните 13,14,15 с решением!

Answers & Comments

nKrynka Решение
13) √x = - a
a ≤ 0
(√x)² = (-a)²
x = a²
14) √(x + 2) = a
a ≥ 0
[√x+ 2)]² = a²
x + 2 = a²
x = a² - 2
15) √x + 3 = a
a ≥ 0
√x = a - 3
(√x)² = (a - 3)²
x = a² - 6a + 9

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