Pertanyaan

Nilai x → 1 lim x − 1 2 x 2 − 7 x + 5 = ...

$Nilai x \to 1 lim \frac{2 x ^{2} - 7 x + 5}{x - 1} = ...$

-5
-3
4
5
10

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Y. Laksmi

Master Teacher

Mahasiswa/Alumni Universitas Negeri Semarang

Jawaban terverifikasi

Pembahasan

$Faktorkan space pembilang space limit as x rightwards arrow 1 of fraction numerator 2 x squared minus 7 x plus 5 over denominator x minus 1 end fraction equals limit as x rightwards arrow 1 of fraction numerator left parenthesis 2 x minus 5 right parenthesis left parenthesis x minus 1 right parenthesis over denominator x minus 1 end fraction equals limit as x rightwards arrow 1 of space 2 x minus 5 Kemudian space ingat space konsep space limit limit as x rightwards arrow a of space f left parenthesis x right parenthesis space equals space f left parenthesis a right parenthesis Pada space konsep space limit space untuk space bentuk space yang space telah space difaktorkan limit as x rightwards arrow 1 of space 2 x plus 5 space equals space 2 left parenthesis 1 right parenthesis minus 5 space equals negative 3$