No 1
Lim 20² - 6x + x
x => 5
_________________
No 2
f(x) = x²- x + y²
f(4) = 4² - 4 + 5²
f(4) = ( 4×4 ) - 4 + ( 5×5 )
f(4) = 16 - 4 + 25
f(4) = 16 - ( 4 + 25 )
f(4) = 16 - 29
f(4) = 7
(untuk y => 5)
Penjelasan dengan langkah-langkah:
= 400 - 6(5) + 5
= 400 - 30 + 5
= 370 + 5
= 375
_______________________
f(4) = ....
f(4) = 12 + 25
f(4) = 37
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Penyelesaian :
No 1
Lim 20² - 6x + x
x => 5
_________________
No 2
f(x) = x²- x + y²
f(4) = 4² - 4 + 5²
f(4) = ( 4×4 ) - 4 + ( 5×5 )
f(4) = 16 - 4 + 25
f(4) = 16 - ( 4 + 25 )
f(4) = 16 - 29
f(4) = 7
(untuk y => 5)
Penjelasan dengan langkah-langkah:
Lim 20² - 6x + x
x => 5
Lim 20² - 6x + x
= 400 - 6(5) + 5
= 400 - 30 + 5
= 370 + 5
= 375
_______________________
f(x) = x²- x + y²
f(4) = ....
(untuk y => 5)
f(4) = 4² - 4 + 5²
f(4) = 16 - 4 + 25
f(4) = 12 + 25
f(4) = 37