Fungsi Tak Perlu Sonsang Kalau Faham

Satu benda uncle discover setelah 25 tahun tinggalkan addmath

Rupanya benda fungsi ni boleh reverse dgn algebra sahaja

Cara biasa berfikir ialah dengan cari f(x), lepas tuh selesaikan algebra

Cara pelik, pusingkan f(1) jadi f-1, jadi tak songsang.

Cuma jalan kerja tuh pelik lah. tapi jawapan sama !!!

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