[+50](9/10)

By Posted on

selesaikan limit dibawah
lim _ { x rightarrow 5 }(4x + sqrt{20x} - 2) \
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[+50](9/10)

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□ Penyelesaian

= Lim x ➝ 5 ( 4x + √20x – 2 )

= 4x + √20x – 2

= 4(5) + √20(5) – 2

= ( 4 × 5 ) + √( 20 × 5) – 2

= 20 + √100 – 2

= 20 + 10 – 2

= 30 – 2

= 28

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