🔥 OBMEP 😱 What is the value of 1/𝑎^2 +1/𝑏^2 +1/𝑐^2 ?
OBMEP If 𝑎𝑏=1/2, 𝑏𝑐=1/3 and 𝑒 𝑎𝑐=1/6, what is the value of 1/𝑎^2 +1/𝑏^2 +1/𝑐^2 ?
A 10
B 12
C 14
D 16
E 20
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