Question

6-4root2/6+4root2= a+b root 2 find a and b please tell fastly i need help

Answer 1

6-4root2/6+4root2=a+b root 2
6-4root2/6+4root2*6-4root2/6+4root2=a+b root 2
(6-4root2)(6-4root2)/(6-4root2)(6+4root2)=a+b root 2
36-24root2-24+32/(6^2-4root2^2)=a+b root 2           
(because (a+b)(a- b)=(a^2-b^2)
44-24root2/36-32=a+b root 2    
44-24root2/4=a+b root 2    
11-24root2/4=a+b root 2    
upar vale step me hamne 4 ko 44 ke niche se hata diya

a=11 , broot2=-24root2/4
           b=24root2/4root2
            b=-6

a=11 ,b=-6

may be it is helpful for you

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