MATH 1B
Lec. 3, Spring 2010
Midterm 2
Solutions and Grading Rubric
Final Version
March 22, 2010
Preceding the solution is the number of points given for the full question. Preceding each main step of the solution is the number of points for that step.
1
L
MATH 1B
Lec. 3, Spring 2010
Midterm 2
1
Let
2n2 + 3
.
+n+1
a) Determine whether the sequence cfw_an converges or diverges. If it conn=1
verges, nd what it converges to. If it does not converge, state the reason why.
n
an = (1)
n2
b) Determine whether the