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Explanation:
5. √3 + √ 7
= 1.732 + 2.645
= 4.377-------------(ans)
6. Applying componendo and dividendo :-
7-3√2+7-3√2 /7-3√2-7+3√2
= 14/2*3√2
=7/3√2
a= 7 b=3
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