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Evaluate (lim)(hvec0)((a+h)^2sin^(-1)(a+...

Evaluate `(lim)_(hvec0)((a+h)^2sin^(-1)(a+h)-a^2sin^(-1)a)/h`

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  3. Evaluate (lim)(hvec0)((a+h)^2sin^(-1)(a+h)-a^2sin^(-1)a)/h

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