Question

Simplify: (4 + root 3) (4-root 3)​

Answer 1

Answer:

(4 + √3)(4 - √3) = 13

Step-by-step explanation:

We have,

(4 + √3)(4 - √3)

Using the identity,

(a + b)(a - b) = a² - b²

So,

(4 + √3)(4 - √3)

= (4)² - (√3)²

= 16 - 3

= 13

Hence,

(4 + √3)(4 - √3) = 13

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