Q.
20³ - 35² × 0 = ..
f(x) = x - 1 + 2x - x!
f(2) = ..
20³ - 35² × 0 = ..
f(x) = x - 1 + 2x - x!
f(2) = ..
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PENYELESAIAN
20³ - 35² × 0
( 20 x 20 x 20 ) - ( 35 x 35 ) x 0
( 400 x 20 ) - 1.225 x 0
8000 - 0
8000
f(x) = x - 1 + 2x - x!
f(2) = 2 - 1 + 2(2) - 2!
f(2) = 2 - 1 + 2(2) - ( 2 x 1 )
f(2) = 2 - 1 + 2(2) - 2
f(2) = 2 - 1 + ( 2 x 2 ) - 2
f(2) = 2 - 1 + 4 - 2
f(2) = 1 + 4 - 2
f(2) = 5 - 2
f(2) = 3
Nomor 1
20³ - 35² × 0
= ( 20 × 20 × 20 ) - 35² × 0
= ( 400 × 20 ) - 35² × 0
= 8.000 - 35² × 0
= 8.000 - ( 35 × 35 ) × 0
= 8.000 - 1.225 × 0
= 8.000 - ( 1.225 × 0 )
= 8.000 - 0
= 8.000
Nomor 2
f(x) = x - 1 + 2x - x!
f(2) = 2 - 1 + 2(2) - 2!
f(2) = 2 - 1 + ( 2 × 2 ) - 2!
f(2) = 2 - 1 + 4 - ( 2 × 1 )
f(2) = 2 - 1 + 4 - 2
f(2) = 1 + 4 - 2
f(2) = 1 + 2
f(2) = 3