Question

Prove that (2+√3) (2- √3) =1.

Answer 1

(2+√3)(2-√3)=1

4-2√3+2√3-√9=1

4-3=1

1=1

I think it may help you

Answer 2

Step-by-step explanation:

• (2+√3) (2-√3) = 1
• (2*2 - 2*√3) + (2√3 - √3^2)
• 4 - 2√3 + 2√3 - 3
• 4 - 3
• 1

Hence Proved,

(2+√3) (2- √3) = 1

Hope it is helpful for someone