G Now we will use three points x = a, x = a + h and x = a − h. The linear system you get now is overdetermined, so it is not possible in general to solve exactly. Nevertheless you can find a least-squares solution. What is the least squares solution for ? c m ? ?

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