Question

(2+√3)×(2-√3) is equal to :

Answer 1

Answer:

Step-by-step explanation:

=[2+√3] * [2-√3]      ................[(a+b)(a-b)=a²-b²]

=[2]²-[√3]²

=4-3

=1 ans

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Answer 2

(2+√3) (2-√3) =1

Step by step explanation

(2+√3)(2-√3)

(2)^2-(√3)^2

4-3=1.