Q.
f(x) = x!! × 4
f(4) = ...
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pke cara!!
__
nt : waw ._________. 
f(x) = x!! × 4
f(4) = ...
___
pke cara!!
__
nt : waw ._________.
f(x) = x!! × 4
f(4) = 4!! × 4
f(4) = (4×2) × 4
f(4) = 8 × 4
f(4) = 32
Maaf kalo salah
#Semoga bermanfaat....
f(x) = x!! × 4
f(4) = 4!! × 4
f(4) = (4 × 2) × 4
f(4) = 8 × 4
f(4) = 32
Kesimpulan hasilnya adalah : 32
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