(√12+√8)(√12−√8) Tolong bantu
Matematika
sandra203
Pertanyaan
(√12+√8)(√12−√8)
Tolong bantu
Tolong bantu
1 Jawaban
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1. Jawaban ZinoX
(√12+√8)(√12−√8)
=(√3.√4+√2.√4)(√3.√4-√2.√4)
=(√3.2+√2.2)(√3.2-√2.2)
=(2√3+2√2)(2√3-2√2)
=(2√3)²-(2√2)²
=(4.3)-(4.2)
=12-8
=4