jika x=2, maka pembilang=0, didapat
2a-b=4
pakai L' Hospital, pembilang=24, didapat
a=-20
berarti
a-b=24
jawab D.
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jika x=2, maka pembilang=0, didapat
2a-b=4
pakai L' Hospital, pembilang=24, didapat
a=-20
berarti
a-b=24
jawab D.