jika (3x-2y)³=ax³+bx²y+cxy²+dy³, maka a+b+c+d
Matematika
ninit6
Pertanyaan
jika (3x-2y)³=ax³+bx²y+cxy²+dy³, maka a+b+c+d
1 Jawaban
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1. Jawaban kabira
(3x-2y)³ = 27x³-54x²y +24xy² -8y³
a= 27, b = -54, c= 24, d = -8
a+b+c+d = 27-54+24-8 = -11