Jawapan

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2015-10-13T22:47:57+08:00
p =  \frac{q + pr}{2}

     2p = q + pr
2p - q = pr
 \frac{2p - q}{p} = r

r =  \frac{2p - q}{p}  
1 5 1
gosh gosh ~ mcm dak pasti pula .... nnty saya rujuk balik okkay
2015-10-13T23:23:10+08:00
P = (q +pr) /2
2p = q +pr
pr = 2p -q
r = (2p -q) /p
r = 2 - (q/p)