Question

if a=2+square root 3,then value of 1/a is ​

Answer 1

Answer:

1/a = 2 - √3

Step-by-step explanation:

a = 2 + √3

1/a = 1 / 2 + √3

     = 1 (2 - √3 ) / ( 2 + √3) ( 2 - √3 )

     = 2 - √3  / 2^2 - √3^2

     = 2 - √3 / 4 - 3

1/a = 2 - √3