Question

lim x4 -81/2x2 -5x-3​

Answer 1

Step-by-step explanation:

limx4-81/2x^2-5x-3

=lim(x-3)(x+3)(x^2+9) / (x-3)(2x+1)

=lim(x+3)(x^2+9) / (2x+1)

=(3+3)(3^2+9) / 2(3) + 1

=6×18/7

=108/7