Question

y= x^3ln (2x+1) ; x=0

Answer 1

y= x^3 * ln (2x+1)
y= (0)^3 *ln (2(0)+1)
y= (0)* ln (2(0)+1)
y=0

Answer 2

but 0^0 is not determined !!

Answer 3

we should probably talk about the limit when x->0 and not x=0 !

Answer 4

your probabaly right, its limits and I didn't realize it