Pertanyaan

Nilai x → 1 lim x − 1 x 2 − 5 x + 4 = ....

$Nilai x \to 1 lim \frac{x ^{2} - 5 x + 4}{x - 1} = ....$

-5
-4
-3
0
5

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Klaim

Y. Laksmi

Master Teacher

Mahasiswa/Alumni Universitas Negeri Semarang

Jawaban terverifikasi

Pembahasan

$Faktorkan space pembilang space limit as straight x rightwards arrow 1 of fraction numerator left parenthesis straight x squared minus 5 straight x plus 4 right parenthesis over denominator left parenthesis straight x minus 1 right parenthesis end fraction equals limit as straight x rightwards arrow 1 of fraction numerator left parenthesis straight x minus 1 right parenthesis left parenthesis straight x minus 4 right parenthesis over denominator left parenthesis straight x minus 1 right parenthesis end fraction equals limit as straight x rightwards arrow 1 of space open parentheses straight x minus 4 close parentheses Kemudian space ingat space konsep space limit limit as straight x rightwards arrow straight a of space straight f left parenthesis straight x right parenthesis space equals space straight f left parenthesis straight a right parenthesis Pada space konsep space limit space untuk space bentuk space yang space telah space difaktorkan limit as straight x rightwards arrow 1 of open parentheses space straight x minus 4 close parentheses space equals space 1 minus 4 space equals negative 3$