Q. 11

If 𝒴 = a cos (log x) + b sin (log x), prove that x2𝒴2 + x𝒴1 + 𝒴 = 0.

Answer :

Differentiating with respect to x


[ can also be written as -xy1= a sin (log x) ]


Differentiating with respect to x





Hence Proved


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