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If `m\ a n d\ n` are the order the degree of the differential equation `(y_2)^5+(4(y_2)^3)/(y_3)+y_3=x^2-1,` then a. `m=3,\ n=3` b. `m=3,\ n=2` c. `m=3,\ n=5` d. `m=3,\ n=1`

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