These readings are based on forms I and IV respectively, and are identical in meaning. *NB: the first is recited with imālah (a vowel between 'a' and 'i'), and some pronounced the second reading with imālah.
Explication
These readings are based on forms I and IV respectively, and are identical in meaning. *NB: the first is recited with imālah (a vowel between 'a' and 'i'), and some pronounced the second reading with imālah.