Question

(2-7√3)² answer it please​

Answer 1

ANSWER:

$102.502577388$

Answer 2

Answer:

151 - 28√3

Step-by-step explanation:

= (2 - 7√3)^2

Applying the algebraic identity :-

= (a - b)^2 = a^2 - 2ab + b^2

= (2)^2 - 2(2)(7√3) + (7√3)^2

= 4 - 28√3 + 147

= 151 - 28√3