IV. (40g) In Cohen Aenera, points A (1,2), B (-35) and (D) are given: y = -3x + 1. Find the equation of line AB.

B. Find the line equation (L) through C (1,0) and the line (AB).

C. Coordinate point of intersection 1 between the lines (L) and (D)

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio