x³ + x(x) × x!! → x = 7
= 7³ + 7(7) × 7!!
= 343 + 49 × 105
= 343 + 5.145
= 5.488
Penyelesaian
--------------------
= x³ + x(x) × x!!= 7³ + 7(7) × 7!!
= ( 7 × 7 × 7 ) + 7(7) × 7!!
= ( 49 × 7 ) + 7(7) × 7!!
= 343 + 7(7) × 7!!
= 343 + 7(7) × ( 7 × 5 × 3 × 1 )
= 343 + 7(7) × ( 35 × 3 × 1 )
= 343 + 7(7) × ( 105 × 1 )
= 343 + 7(7) × 105
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»Splsv
x³ + x(x) × x!! → x = 7
= 7³ + 7(7) × 7!!
= 343 + 49 × 105
= 343 + 5.145
= 5.488
Penyelesaian
--------------------
= x³ + x(x) × x!!
= 7³ + 7(7) × 7!!
= ( 7 × 7 × 7 ) + 7(7) × 7!!
= ( 49 × 7 ) + 7(7) × 7!!
= 343 + 7(7) × 7!!
= 343 + 7(7) × ( 7 × 5 × 3 × 1 )
= 343 + 7(7) × ( 35 × 3 × 1 )
= 343 + 7(7) × ( 105 × 1 )
= 343 + 7(7) × 105
= 343 + 49 × 105
= 343 + 5.145
= 5.488