Answers

2015-01-26T19:07:13+05:30
√4/9 =2/3

let,
 2/3 = a
√2 = b
 rational number between a and b = (a+b)/2
 = \frac{\frac{2}{3}+ \sqrt{2}}{2}
 = \frac{\frac{2}{3}+  \frac{3\sqrt{2}}{3} }{2}
 = \frac{{3\sqrt{2}}+2  }{6}
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i have edit my answer
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i multiplied 2 and √2
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