Question

(2) 16x? - 8x2 - 4 by 4x​

Answer 1

We have,

x→2limx4−8x2+16x3−3x2+4

=x→2limx4−8x2+42x3−3x2+4

Solve,

Numerator

then, put x=2,

23−3×22+4=0

Divide x−2)x3−3x2+4(x2−x−2

                   x3−2x2

                   _______________

                             −x