Question

Si 3x + 1/3x = 10
Calcular:F = (81x^4+1)÷(9x^2) =

Answer 1

3x+1/3x=10
3.3x+3.1/3x=3.10
9x+x=30
10x=30
x=3
F = (81x^4+1)÷(9x^2)
F=0