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Verified answer
= (A + B)²= (A + B) (A + B)
= A² + AB + AB + B²
= A² + 2AB + B²
Opsi A
Semoga berguna +_+
Verified answer
Banyak Cara Pemilihann(s) = 12
n(p)= 8
n(w)= 4
dpilih 4 orang
paling sedikit teridiri dari 2 pria,
Pemilihan 1 ; 2p dan 2w--> P1 = (8c2 x 4c2 ) = 168
Pemilihan 2 ; 3p dan 1 w --> P2 = (8c3 x 4c1) = 224
Pemilihan 3 ; 4p ---> p3 = 8c4 = 70
total = P1+ P2 + P3 = 462 cara