Math, asked by geetabisht9412, 2 months ago

 ( 2+√3)/(2-√3) = a+b √3 ,then value of b is

-4

-7

4

None of these​

Answers

Answered by vikashpatnaik2009
1

Answer:

2−  

3

​  

 

2+  

3

​  

 

​  

×  

2+  

3

​  

 

2+  

3

​  

 

​  

=  

(2)  

2

−(  

3

​  

)  

2

 

(2+  

3

​  

)  

2

 

​  

=  

4−3

7+4  

3

​  

 

​  

=7+4  

3

​  

=A+B  

3

​  

 

⇒A=7,B=4.

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