250 wordsExplain how your research plan might consider the use of a qualitative case study design, narrative approach, or ethnography. Discuss lessons learned from additional reading for the qualitative method. Be clear on which of the 3 qualitative designs or approaches (case study, narrative, or ethnography) would be appropriate for a study within your degree program field of study or area of concentration. Cite your sources using proper American Psychological Association (APA) format.
Obtain the general solution of the following DEs: i. y′′′ + y′′ − 4y′ + 2y = 0 ii. y(4) + 4y(2) = 0 iii. x(x − 2)y′′ + 2(x − 1)y′ − 2y = 0; use y1 = (1 − x) iv. y′′ − 4y = sin2(x) v. y′′ − 4y′ + 3y = x ; use y1 = e3x vi. y′′ + 5y′ + 6y = e2xcos(x) vii. y′′ + y = sec(x) tan(x)
Obtain the general solution of the following DEs: i. y′′′ + y′′ − 4y′ + 2y = 0 ii. y(4) + 4y(2) = 0 iii. x(x − 2)y′′ + 2(x − 1)y′ − 2y = 0; use y1 = (1 − x) iv. y′′ − 4y = sin2(x) v. y′′