(2x+y)^3 = ? Tolong yaa
Matematika
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Pertanyaan
(2x+y)^3 = ?
Tolong yaa
Tolong yaa
1 Jawaban
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1. Jawaban anisatsaniza276
(2x+y)^3
=(2x+y)(2x+y)(2x+y)
=(4x²+2xy+2xy+y²)(2x+y)
=(4x²+4xy+y²)(2x+y)
=8x^3+4x²y+8x²y+4xy²+2xy²+y^3
=8x^3+12x²y+6xy²+y^3