tentukan himpunan penyelesaian dari ab=1 bc= 4 ca=9

ab = 1
b = 1/a

ca = 9
c = 9/a

bc = 4
1/a x 9/a = 4
9/a² = 4
a² = 9/4
a = √9/4
a = 3/2

b = 1/a = 1/3/2 = 2/3

c = 9/a = 9/3/2 = 18/3 = 6

jadi hp {3/2 , 2/3 , 6}

maafkan bila belum benar