Let f(x)=1+ax3−1xf(x) = \frac{\sqrt[3]{1+ax} - 1}{x}f(x)=x31+ax−1 for x≠0x \neq 0x=0. Find the value f(0)f(0)f(0) that makes fff continuous at x=0x=0x=0.
a/2a/2a/2
a/3a/3a/3
aaa
1/a1/a1/a