2(6-2√5)^2+ 3(6+2√5)
Matematika
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Pertanyaan
2(6-2√5)^2+ 3(6+2√5)
1 Jawaban
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1. Jawaban yuzar98
@
2(6 - 2√5)² + 3(6 + 2√5) =
2((6)² + 2(6)(-2√5) + (-2√5)²) + 3(6) + 2(2√5)=
2( 36 - 24√5 + 20) + 18 + 4√5 =
2(56 - 24√5) + 18 + 4√5 =
112- 48√5 + 19 + 4√5 =
= 131 - 40√5