18/3√2-2√3 rationalise the denominator
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18/3√2-2√3
By rationalising the denominator,
18(3√2+2√3)/(3√2-2√3)(3√2+2√3)
=54√2+36√3/18-12
=6(9√2+6√3)/6
=9√2+6√3
Think so its correct :D
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