Question

the value of (2+√3)(2-√3) in
1,-1,2,none of these​

Answer 1

Answer:

1

Step-by-step explanation:

4-3=1

Answer 2

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➡ ( 2 + √3 ) ( 2 - √3)

(using identity

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

➡ (2) ^2 - (√3) ^2

➡ 4 - 3

➡ 1

Therefore,

(2+√3) (2-√3) = 1 .