(6+a^1/2)^1/2 + (6-a^1/2)^1/2 = 14^1/2
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What have you tried so far?
squaring both sides and i get a very complicated solution which i cant solve it...so, i am looking for some hints..
OK so squaring both sides is a good start, what was the "complicated expression" you ended up with? Can you simplify it at all?
Ok,i have solved the question after simplifying the 'complicated' expression.Thanks for your help
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