Find rational number a and b such that (✓3+✓2)/ (✓3-✓2)=a+b✓6
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Find rational number a and b such that (✓3+✓2)/ (✓3-✓2)=a+b✓6

root 2 + root 3 by 3 root 2 minus 2 root 3 is equal to a minus b root 6 find a and b.

solution :- 

Given that (✓3+✓2)/ (✓3-✓2)=a+b✓6

(✓3+✓2)/ (✓3-✓2)=a+b✓6

(✓3+✓2)(✓3+✓2)/(✓3-✓2)(✓3+✓2)=a+b✓6

(✓3+✓2)^2/(✓3)^2-(✓2)^2=a+b✓6

(✓3+✓2)^2/(3-2)=a+b✓6 

{(✓3)^2+2.✓3.✓2+(✓2)^2)}/1=a+b✓6  

⇒3+2.✓3.✓2+2=a+b✓6  

 ⇒5+2✓6=a+b✓6  

comparing both sides of each term

a=5 b=2 ans  

see video

 

 
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