if root ab is an irrational number proved that (root a +root b ) is an irrational number? explain your answer in own.
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Since p and q are co prime L.H.S. is always fractional and R.H.S. is always integer . If q =1,the equation (¹) is hold good but it was impossible that there was no number whose square is a² +b . ... Hence a+√b is an irrational number. Hence proved.
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