Question

Kindly solve question 4

Answer 1

Answer:

Step-by-step explanation

         1                                     root 6 + root 5 + root 11

-----------------------            *        -------------------------------------

root 6 + root 5 -root 11         root 6 + root 5 + root 11

=          root 6 + root 5- root 11

       -----------------------------------------                 by using a^2-b^2 = (a-b)(a+b)

      ( root 6 + root 5 )^2 +( root 11)^2

=                 root 6 + root 5 - root 11

       --------------------------------------------------------

       (root 6)^2 + 2* root 6 root 5 + (root 5)^2  + 11

=                 root 6 + root 5 - root 11

        -----------------------------------------------

           6 +2 root 30 + 5 + 11

=           root 6 + root 5 - root 11

          --------------------------------------

           22 + 2 root 30

hope this helps u

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