Question

Question #4e726

Answer 1

`b`

Explanation:

Using the formula,
`lim` `(x^n-a)/(x-a) = na^(n-1)`
`x->a`

Convert the question in this format, by adding and subtracting `1` in denominator

`lim` `((1+x)^b-1)/(1+x-1)`
`x->0`

here `n=b` and `a=1`
`b . (1)^(b-1)`
`b`