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Plz specify the degree & order of the following eq with reasons (keeping in mind that sinx,cosx etc. can be expanded polynomially -> a)d^2y/dx^2+sin(dy/dx)=0 b)d2y/dx2+sin(d3y/dx3)=0 c)(d2y/dx2)^3 + sin(dy/dx)= 0 d)d2y/dx2+sin{(d3y/dx3)^4}=0 what will be the ans if there is other transcendental Fn in place of sin? Plz say me urgently.

Chetan Mandayam Nayakar
312 Points
10 years ago

Dear Borah,

a)d2y/dx2+sin(dy/dx)=0, based on definitions of order and degree, order=2,degree=1

b)d2y/dx2 +sin(d3y/dx3)=0, d3y/dx3+arcsin(d2y/dx2)=0,order=3 and degree=1

c)order=2 and degree=3

d)(d3y/dx3)4 +arcsin(d2y/dx2)=0, order=3 and degree=4

All the best.

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