class 12 maths differential equations

${\left( {\cfrac{{{d^2}y}}{{d{x^2}}}} \right)^2} + \cos \left( {\cfrac{{dy}}{{dx}}} \right) = 0$

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📘 Differential Equations NCERT Ex.9.1,Q.4,Page 382 SA

${\left( {\cfrac{{{d^2}y}}{{d{x^2}}}} \right)^2} + \cos \left( {\cfrac{{dy}}{{dx}}} \right) = 0$

Official Solution

VVidaara Team ✓ Verified solution NCERT & Exemplar

.: The highest order derivative is
$\cfrac{{{d^2}y}}{{d{x^2}}}$ , therefore, its
order is 2.

The given differential equation is not a polynomial in $\cfrac{{dy}}{{dx}}$,

therefore, its degree is not defined.

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