PLS HELP ANSWER

Use the function nest to evaluate p(x) = 1 + x + · · · + x50 at x = 1.00001. (use the matlab ones command to save typing.) find the error of the computation by comparing with the equivalent expression q(x) = (x51 − 1)/(x − 1).

Really need on these. i have no idea what to do

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0