Question

Rationalize the following:-
In the given picture​

Answer 1

Hi

The solution is given in the attachment below

Please do refer to it

Hope it helps you

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Answer 2

(1) (7-root5)(7-2root5)/49-20

= (49- 7root5-14root5+10)/29

= (59-21root5)/29

(2) ( 2root6+4)(root2)/16

(2root12+4roo2)/16

(4root3 +4 root2)/16

( root3 + root2)/4

(3)2 (root10-root8)(root8-root10)/2

=10+8-2root80

= 18- 8root5