0d317252-ac54-418a-a63d-7bfc2128b98a8caf74d2-49ec-4b39-9ca1-258561798ea84.2.9.1[{"lang":"es","name":"Recta tangente a una curva en un punto"},{"lang":"en","name":"Tangent straight line to a curve at a point"},{"lang":"ca","name":"Recta tangent a una corba en un punt"}]77/18/16, 11:43 AM7/18/16, 11:43 AM