Despejar la incognita 3y-175= y3 + 75
1000ton1
→ 3y - y^3 = 75+175 → -y (y^2 - 3) = 250 → -y =250/(-1) → y =-250.....(y^2-3)=250 /(√) → y^2=253 /(-1) → y^2=253 /(√) → y = +-15.91.. Respuesta: osea "Y1 = y sub 1" Y1 = -250 Y2 = +-15.91 ...fin..
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