Video solusi : Cocokanlah soal berikut
1. P(k)=(5)/(k(k+1))
a. ((k+1)^(2)(k+4)^(2))/(6)
2. P(k)=(2)/(k(k+1))
b. .(2)/((k+1)(k+5)))
3. P(k)=(k^(2)(k+3)^(2))/(6)
c. ((5)/((k+1)(k+2)))
4. P(k)=(2)/(k(k+4))
d. ((2)/((k+1)(k+5)))
5. Buktikanlah
e. .(7)/((k+1)(k+2)))