persamaan substitusi (4y+1)2-5(4y+1)-y+4=0
Matematika
bangrenaldijenong
Pertanyaan
persamaan substitusi (4y+1)2-5(4y+1)-y+4=0
1 Jawaban
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1. Jawaban Kenshiro
(4y+1)2-5(4y+1)-y+4=0
8y+2-20y-5-y+4 = 0
-13y + 1= 0
-13 y = -1
y = 1/13