If a is rational and root b is irrational then a+root b is irrational.proove
if it refund is claimed from tds,after considering relief u/s 89,interest u/s 234 a,234b & 234c will be levied!.for ay 2013-14,it return e filed on july 2015.
:A={1,2,4,5} B={2,3,4,5,6} C={4,5,6,7} PROVE THAT A(B C)=(AUB)(AUC)