99 номер помогите пожалуйста И 120 номер (1;3). Created by 141516. algebra-ru

99.1) = (1/2)^(-√16)=(1/2)⁻⁴ =2⁴=163) = (2³)^(2/3) - (2⁻⁴)^(-3/4) + (3⁻²)^(3/2)= = 2² - 2³ + 3⁻³ =4-8 + 1 = -4 + 1 = -3 ²⁶/₂₇ 27 272) Что видно: ((∛6)^(√3))^(-3√3)=6⁻³ = 1/2164) Что видно: (64^(1/2) +3/8)⁰ = 1120.1) √x =3ОДЗ: x≥0 x=9Ответ: 93) √x= 2-xОДЗ: {х≥0 {x≥0 {x≥0 {2-x≥0 {-x≥-2 {x≤2x∈[0; 2]х=(2-х)²х=4-4х+х²-х²+х+4х-4=0х² -5х+4=0D=25-16=9x₁=5-3 = 1 ∈[0; 2] - корень уравнения 2х₂= 5+3 =4 ∉[0; 2] - не корень уравнения 2Ответ: 1Новые вопросы в АлгебраГеометрия помогите пожалуйстаПредставь квадрат двучлена в виде многочленавыполни умножение можно поподробнеереши уравнение можно поподробнееразложи на множителивыполни умножение можно поподробнееавтомобиль разгоняется на прямолинейном участке шоссе с постоянным ускорением a=5445 км/ч² скорость υ вычисляется по формуле υ=√2la, гле l пройденный…автомобилем путь в километрах. найдите, сколько километров проедет автомобиль к моменту, когда он разгонится до скорости 99 км/чГеометрия решите пожалуйстаРешите аожалуйста номер 3.15 алгебра 7 класс абылкасымова. 25 балловАлбебра и геометрия решите три заданияПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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99 номер помогите пожалуйста И 120 номер (1;3)...

141516 @141516

July 2022 1 22 Report

99 номер помогите пожалуйста
И 120 номер (1;3)

Answers & Comments

m11m 99.
1) = (1/2)^(-√16)=(1/2)⁻⁴ =2⁴=16
3) = (2³)^(2/3) - (2⁻⁴)^(-3/4) + (3⁻²)^(3/2)=
= 2² - 2³ + 3⁻³ =4-8 + 1 = -4 + 1 = -3 ²⁶/₂₇
27 27

2) Что видно:
((∛6)^(√3))^(-3√3)=6⁻³ = 1/216
4) Что видно:
(64^(1/2) +3/8)⁰ = 1

120.
1) √x =3
ОДЗ: x≥0
x=9
Ответ: 9

3) √x= 2-x
ОДЗ: {х≥0 {x≥0 {x≥0
{2-x≥0 {-x≥-2 {x≤2
x∈[0; 2]

х=(2-х)²
х=4-4х+х²
-х²+х+4х-4=0
х² -5х+4=0
D=25-16=9
x₁=5-3 = 1 ∈[0; 2] - корень уравнения
2
х₂= 5+3 =4 ∉[0; 2] - не корень уравнения
2
Ответ: 1