hasil perkalian (√7+√3) (2√3-√7)adalah
Matematika
khimcill
Pertanyaan
hasil perkalian (√7+√3) (2√3-√7)adalah
2 Jawaban
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1. Jawaban stephaniechu94
(√7+√3) (2√3-√7) =
(√7 x 2√3) - (√7 x √7) + (√3 x 2√3) - (√3 x √7)=
2√21 - 7 + 6 - √21=
2√21- √21 + 6- 7 =
√21 + 6- 7 =
√21 - 1 -
2. Jawaban pressi
(√7+√3)(2√3-√7) = (√7.2√3)-(√7.√7)+(√3.2√3)-(√3.√7)
=(2√21)-(7)+(2.3)-(√21)
=2√21-7+6-√21
=√21-1