Sederhanakan: 1. √6+4√2 = 2. (2+√3)(√2-√3)-(2-√3)(√2+√3) = 3. √8/15-2√1/15 = Tolong dibantu ya pake caranya...
Matematika
Ellynsiasalwa
Pertanyaan
Sederhanakan:
1. √6+4√2 =
2. (2+√3)(√2-√3)-(2-√3)(√2+√3) =
3. √8/15-2√1/15 =
Tolong dibantu ya pake caranya...
1. √6+4√2 =
2. (2+√3)(√2-√3)-(2-√3)(√2+√3) =
3. √8/15-2√1/15 =
Tolong dibantu ya pake caranya...
1 Jawaban
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1. Jawaban Dachi17
1. √6 + 4√2 = √3x√2 + 4√2
= √2 (4 + √3)
2.
( 2+√3)(√2-√3)-(2-√3)(√2+√3)
= (2√2 - 2√3 + √6 - 3 ) - (2√2 + 2√3 - √6 - 3)
= (2√2 - 2√2) - (2√3 + 2√3) + (√6 + √6) - (3 - 3)
= -4√3 + 2√6
= 2√6 - 4√3
3.
√8/15 - 2√1/15
= 2√2/15 - 2 √1/15
2/√15 (√2 - 1)