Jawabanmu

2014-09-09T20:23:11+07:00
Misalkan p = log a

2p²+p-6=0

(2p+4)(p-3)=0

p1= -2
log a = -2 ... maka  a= 10^(-2)  = 1/100

p2=3
log a=3 ... maka a = 10³  = 1000
2 5 2