MATH 251 Midterm: MATH 251 PSU s251Exam 2(fa18)
Document Summary
Math 251 fall 2018 midterm 2 - answer keys. Form b: d, d, b, b, c, b, b, a, d, c, a, a, d, d, c, d, b, c, ( 2, 1), (2, 1), ( 2, 1, ( 2, 1), (2, 1), ( 2, 1) E 2(t ) cos(t ) e 2(t ) sin(t )) = e 2t cos(t) 2e 2t sin(t) + 2u3(t)e 2(t 3) sin(t 3) u (t)(e (t )+e 2(t ) cos(t)+e 2(t ) sin(t)) 1 (cid:21) (b) unstable saddle point (c) = 5.
