For each 1 to 5 determine if separable first order ODEs. Show this step by step.

Then answer a,b,c,d,e,f,g,h,i or j.

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Which of these equations are separable first-order ODEs: dy 2 In (1 + x) 1) dx (a+ 1) 4 4; d' y sin x 2) da 2 1 + 72 y; sin x 3) In (1 + x) dy da 1+729 = 0; sin 2x dy sin x 4) 8y- + 0; dx 1 + 2 2 dy 5) Vity = cos 2x dx Select one: a. 2) and 5) O b. 5) c. 3) and 5) d. 1) O e. 1) and 5) Of. 2) O g. 1) and 3) Oh. 1), 3) and 5) i. 3) j. 1), 2) and 3)