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Friday, February 8, 2013
Problem solving 3
Tentukan nilai dari
penyelesaian:
ingat!!!
n! = n(n - 1)(n - 2)(n - 3)....3.2.1
100! = 100.99...3.2.1
sehingga:
=
100!
log 2 +
100!
log 3 +
100!
log 4 + .... +
100!
log 100
=
100!
log 2.3.4....100
=
100!
log 100!
= 1
xixixixi....
ternyata mudah ya :)
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