Lim = 7x + 2x - x!
x ➝ 5
x ➝ 5
Penjelasan dengan langkah-langkah:
Lim = 7x + 2x - x!
➝ 7(5) + 2(5) - 5!
➝ 35 + 10 - 5!
➝ 35 + 10 - ( 5 × 4 × 3 × 2 × 1 )
➝ 35 + 10 - ( 20 × 3 × 2 × 1 )
➝ 35 + 10 - ( 60 × 2 × 1 )
➝ 35 + 10 - ( 120 × 1 )
➝ 35 + 10 - 120
➝ 45 - 120
➝ -75
[tex]\lim\limits_{x \to 5} 7x + 2x - x! = \lim\limits_{x \to 5} 9x - x![/tex]
= 9(5) - 5!
= 45 - (5 × 4 × 3 × 2 × 1)
= 45 - 120
= -75
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