E&P 1. Review Problems 1-35 odd (18 problems)

Classify each DE as

  1. S : separable
  2. Ly : linear in y as the unknown
  3. Lx : linear in x as the unknown
  4. NOTA : none of the above [since we skipped 1.6]

More than one of 1-3 may apply. Do not attempt to solve them.

Scan of the HW page: ep2_1-R.pdf

Binomial identity for problem 25 (try it in Maple):

> expand ( (x+1)3 )

            x3+3 x2+3 x+1