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diff%28%28sin%28x%29%20%2A%20x%5E2%29%20/%20%281%20%2B%20tan%28cot%28x%29%29%29%29
diff %Integer (28 )%Integer (28 )*sin %Integer (28 )*Symbol ('x' )%Integer (29 )%Integer (20 )%Integer (2 )*Symbol ('A' )%Integer (20 )*Symbol ('x' )%Float ('5E2' )%Integer (29 )%Integer (20 )/% Integer (20 )%Integer (281 )%Integer (20 )%Integer (2 )*Symbol ('B' )%Integer (20 )*tan %Integer (28 )*cot %Integer (28 )*Symbol ('x' )%Integer (29 )%Integer (29 )%Integer (29 )%Integer (29 )
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