Q. Write the order and degree of the differential equation 2 d 2 y d x 2 + 3 1 - d y d x 2 - y = 0 .

Before seeing degree one needs to make the power of all differential term intgral, for that we wil be squaring to remove square root2d2ydx2+31-dydx2-y=02d2ydx2=-31-dydx2-y4d2ydx22=91-dydx2-yOrder=highest order differential term=2Degree=highest power i.e. degree of the highest order differential term=2

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