الطَّالِبَاتُ أَفْضَلُ طَالِبَاتٍ.
The indefinite complement ṭālibātin matches the group, but the elative remains afḍal, not a plural feminine form.
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An Indefinite Feminine-Plural Complement
Ism al-Tafḍīl: Formation, Comparison, Agreement and Parsing
الطَّالِبَاتُ أَفْضَلُ طَالِبَاتٍ.
The indefinite complement ṭālibātin matches the group, but the elative remains afḍal, not a plural feminine form.