Q.
90² + 20²
Lim x³ + 2x - 60x
x → 8
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90² + 20²
Lim x³ + 2x - 60x
x → 8
--
nt : Mau ikutan Quiz nih ..
Boleh req yaww mau spam.
90² + 20²
= (90×90) + (20×20)
= 8.100 + 400
= 8.500
-
Lim x³ + 2x - 60x
x → 8
-
》x³ + 2x - 60x
》8³ + 2(8) - 60(8)
》(8×8×8) + 16 - 480
》(64×8) + 16 - 480
》512 + 16 - 480
》528 - 480
》48
CMIIW![tex] \\ [/tex]
Penyelesaian soal :
[tex] \tt {90}^{2} + {20}^{2} [/tex]
[tex] \tt = (90 \times 90) + {20}^{2} [/tex]
[tex] \tt = 8.100 + {20}^{2} [/tex]
[tex] \tt = 8.100 + (20 \times 20)[/tex]
[tex] \tt = 8.100 + 400[/tex]
[tex] \tt = 8.500[/tex]
[tex] \\ [/tex]
[tex] \sf Lim \: x → 8 \: \: x {}^{3} + 2x - 60x[/tex]
[tex] \sf = 8 {}^{3} + 2(8) - 60(8)[/tex]
[tex] \sf = 8 {}^{3} +( 2 \times 8) -( 60 \times 8)[/tex]
[tex] \sf = 8 {}^{3} +16 -480[/tex]
[tex] \sf = 512 +16 -480[/tex]
[tex] \sf = 528 -480[/tex]
[tex] \sf =48[/tex]
[tex] \\ [/tex]
Tysm!
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