tolong jawab pakai cara (2√3 - 3√7) ^2
Matematika
doubleu1
Pertanyaan
tolong jawab pakai cara
(2√3 - 3√7) ^2
(2√3 - 3√7) ^2
1 Jawaban
-
1. Jawaban surija2001oyzwoy
(2√3 - 3√7) ²
=(2√3 - 3√7) ×(2√3 - 3√7)
= 4×3-6×√21-6×√21+9×7
=12-12√21+63
=75-12√21