Question

The value of (2+root3) (2-root3)is

Answer 1

Answer:

Given,

( 2+ √3) (2-√3)

= (2)² - (√3)² [ using the formula a² - b²]

= 4 - 3

= 1

Therefore , the required value of (2+√3) (2-√3) is 1 .

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