√12 = √4 × √3 = 2√3
√18 = √2 × √9 = 3√2
√12 × √18 = 6√2√3
√12 × √18 ≈ 14.7
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It could be: 7/8 times 7/18 = 49/144 and its square root is 7/12
18 times 9 square root(5) = 362.243012
-2
5 times the square root of two over 3 times the square root of two equals 5/3
to do this multiply 18 x 2 and take sq rt - sq rt (36) = 6