Jadi inget waktu dulu :"f(x)=x!÷x+x!!f(6)=....... Question from @BrainlyMiracle

BrainlyMiracle @BrainlyMiracle

August 2022 2 18 Report

Jadi inget waktu dulu :"

f(x)=x!÷x+x!!
f(6)=...

nrxfyc

f(x) = x! ÷ x + x!!

f(6) = 6! ÷ 6 + 6!!

f(6) = (6 × 5 × 4 × 3 × 2 × 1) ÷ 6 + (6 × 4 × 2)

f(6) = (30 × 4 × 3 × 2 × 1) ÷ 6 + (24 × 2 )

f(6) = (120 × 3 × 2 × 1) ÷ 6 + 48

f(6) = (360 × 2 × 1 ) ÷ 6 + 48

f(6) = (720 × 1) ÷ 6 + 48

f(6) = 720 ÷ 6 + 48

f(6) =120 + 48

f(6) = 168

3 votes Thanks 3

asimaharyanti

Penyelesaian :

$f(x)=x!÷x+x!! \\ \\ f(6)=6! \div 6+ 6!! \\ \\ f(6)=(6 × 5 × 4×3×2× 1) \div 6 + (6 × 4 × 2) \\ \\ f(6)=(30 × 4 × 3 × 2 × 1) \div 6+ (24 \times 2) \\ \\ f(6) = (120 × 3 × 2 × 1) \div 6+48 \\ \\ f(6)=(360 × 2 × 1) \div 6 +48 \\ \\ f(6) = (720×1) ÷ 6+48 \\ \\ f(6) = (720 \div 6 )+48 \\ \\ f(6)=120 + 48 \\ \\ \boxed{ \boxed{ \green{f(6) = 168}}}$

2 votes Thanks 2

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