5.√3 + 6√3 - 8√3=
2.√5 + 9√2 + 5√5 -5√2
3√75 + 4√50 - 2√48 - 3√72
4√125 - 3.√75 - √300 + √500
Soluções para a tarefa
Respondido por
2
5.√3 + 6√3 - 8√3=5√3 + 6√3 - 8√3 =
√3(5 + 6) - 8√3 =
11√3 - 8√3 =
√3(11-8) = 3√3
2.√5 + 9√2 + 5√5 -5√2
2√5 + 5√5 + 9√2 - 5√2
√5(2 + 5) + √2(9 - 5)
7√5 + 4√2
3√75 + 4√50 - 2√48 - 3√72 TEMOS que fatorar
3√75 75| 3 4√50 50| 2 2√48 48| 2 3√72 72| 2
25| 5 25| 5 24| 2 36| 2
5 | 5 5| 5 12| 2 18| 2
1/ 1/ 6 | 2 9| 3
3| 3 3| 3
1/ 1/
3√75 = 3√3.5.5 = 3√3.5² = 3.5√3 = 15√3
4√50 = 4√2.5.5 = 4√2.5² = 4.5√2 = 20√2
2√48 = 2√2.2.2.2.3 =2√2².2².3 = 2.2.2√3 = 8√3
3√72 = 3√2.2.2.3.3 = 3√2².2.3² = 3.2.3√2 = 18√2
3√75 + 4√50 - 2√48 - 3√72
15√3 + 20√2 - 8√3 - 18√2
15√3 - 8√3 + 20√2 - 18√2
√3( 15 -8) + √2(20 - 18)
7√3 + 2√2
4√125 - 3.√75 - √300 + √500 (fatorar)
4√125 125| 5 3√75 75 | 3 √300 300| 2 √500 500| 2
25| 5 25 | 5 150| 2 250| 2
5| 5 5 | 5 75| 3 125 | 5
1/ 1/ 25 | 5 25| 5
5 | 5 5| 5
1/ 1/
4√125 = 4√5.5.5 = 4√5².5 = 4.5√5 = 20√5
3√75 = 3√3.5.5 = 3√3.5² = 3.5√3 = 15√3
√300 = √2.2.3.5.5 = √2².3.5² = 2.5√3 = 10√3
√500 = √2.2.5.5.5 = √2².5.5² = 2.5√5 = 10√5
4√125 - 3.√75 - √300 + √500
20√5 - 15√3 - 10√3 + 10√5 =
20√5 + 10√5 - 15√3 - 10√3
√5(20+10) + √3(-15 - 10)
30√5 - 25√3
√3(5 + 6) - 8√3 =
11√3 - 8√3 =
√3(11-8) = 3√3
2.√5 + 9√2 + 5√5 -5√2
2√5 + 5√5 + 9√2 - 5√2
√5(2 + 5) + √2(9 - 5)
7√5 + 4√2
3√75 + 4√50 - 2√48 - 3√72 TEMOS que fatorar
3√75 75| 3 4√50 50| 2 2√48 48| 2 3√72 72| 2
25| 5 25| 5 24| 2 36| 2
5 | 5 5| 5 12| 2 18| 2
1/ 1/ 6 | 2 9| 3
3| 3 3| 3
1/ 1/
3√75 = 3√3.5.5 = 3√3.5² = 3.5√3 = 15√3
4√50 = 4√2.5.5 = 4√2.5² = 4.5√2 = 20√2
2√48 = 2√2.2.2.2.3 =2√2².2².3 = 2.2.2√3 = 8√3
3√72 = 3√2.2.2.3.3 = 3√2².2.3² = 3.2.3√2 = 18√2
3√75 + 4√50 - 2√48 - 3√72
15√3 + 20√2 - 8√3 - 18√2
15√3 - 8√3 + 20√2 - 18√2
√3( 15 -8) + √2(20 - 18)
7√3 + 2√2
4√125 - 3.√75 - √300 + √500 (fatorar)
4√125 125| 5 3√75 75 | 3 √300 300| 2 √500 500| 2
25| 5 25 | 5 150| 2 250| 2
5| 5 5 | 5 75| 3 125 | 5
1/ 1/ 25 | 5 25| 5
5 | 5 5| 5
1/ 1/
4√125 = 4√5.5.5 = 4√5².5 = 4.5√5 = 20√5
3√75 = 3√3.5.5 = 3√3.5² = 3.5√3 = 15√3
√300 = √2.2.3.5.5 = √2².3.5² = 2.5√3 = 10√3
√500 = √2.2.5.5.5 = √2².5.5² = 2.5√5 = 10√5
4√125 - 3.√75 - √300 + √500
20√5 - 15√3 - 10√3 + 10√5 =
20√5 + 10√5 - 15√3 - 10√3
√5(20+10) + √3(-15 - 10)
30√5 - 25√3
jessicaribeiro18:
obrigado
Respondido por
3
a)
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b)
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C)
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d)
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b)
C)
d)
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