1.

Rationalise the denominator of root5+root3/root5-root3​

Answer»

√5+√3/√5-√3*√5+√3/√5+√3

ACC. to IDENTITY

√5×√5+√3×√3+2√5×√3/√5×√5-√3×√3

5+3+2√15/5-3

8+2√15/2

now TAKING 2 as common.

2(4+√15)/2

4+√15.

HOPE this will HELP you....

Hope this will help you....



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