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If y=e^acos^((-1)x),-1lt=x<1,s howt h a ...

If `y=e^acos^((-1)x),-1lt=x<1,s howt h a t` `(1-x^2)(d^2y)/(dx^2)-x(dy)/(dx)-a^2y=0`

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To prove the equation \[ (1-x^2) \frac{d^2y}{dx^2} - x \frac{dy}{dx} - a^2y = 0 \] given that ...
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