Question

please solve this question​

Answer 1

Answer:

b) 2-✓3

Step-by-step explanation:

a= 2+✓3

1/a = 1/(2+✓3)

Rationalising Factor of 2+✓3 is 2-✓3

So,

1/a = 1 × (2-✓3) / (2+✓3) (2-✓3)

= 1× (2-✓3) / {(2^2) - (✓3)^2}

= (2-✓3)/ (4-3)

= 2-✓3

Answer 2

Answer:

a=2+√3 then, 1/a=2-√3 ans.

So, correct option is (b)