Question

Find the value of a and b if:
√2+1 /√2-1 - √2-1 /√2+1 = a + b√2​

Answer 1

Step-by-step explanation:

Given,

2

​

−1

2

​

+1

​

−  

2

​

+1

2

​

−1

​

=a+  

2

​

b

(  

2

​

)  

2

−1  

2

 

(  

2

​

+1)  

2

−(  

2

​

−1)  

2

 

​

=a+  

2

​

b

2−1

4.  

2

​

.1

​

=a+b  

2

​

 

4  

2

​

=a+b  

2

​

 

Comparing both sides we get,  

a=0,b=2  

2

​

.