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If y = cos (m sin^(-1) x), prove that (1...

If `y = cos (m sin^(-1) x),` prove that `(1-x^2)y_3 -3 xy_2 + ( m^2 -1) y_1=0`

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The correct Answer is:
`(1 -x^(2) )y_(3) - 3xy_(2) + ( m^(2) - 1) y_(1) =0`
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