Jawabanmu

2013-12-16T20:53:21+07:00
p+q= \frac{-b}{a} =- \frac{1}{2}
p.q= \frac{c}{a} =6/2=3
 p^{2}+ q^{2}= (p+q)^{2}   -2p.q
                              (\frac{-1}{2}) ^{2} -2(3)=- \frac{23}{4}=-5 \frac{3}{4}
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