Question

If a = 2 + √3 then find the value of a^2

Answer 1

Step-by-step explanation:

a = 2 + root 3

squaring both sides

a^2 = ( 2 + root 3 )^2

Using identity (a+b)^2 = a^2 + 2ab + b^2

a^2 = (2)^2 + (2×2× root 3) + (root 3)^2

a^2 = 4 + 4 root 3 + 3

a^2 = 7 + 4 root 3

Hope it helps

Please Mark Me As Brainliest

Thank you!